BinHex was created in 1984.

.### Temporary File

.#24 Locoscript 24-pin Printer Data File

.#IB Locoscript Dot Matrix Data File

.#SC Locoscript Dot Matrix Data File

.#ST Locoscript Dot Matrix Printer Definition File .~ Temporary File

.~AP Borland C++ AppExpert Project Database File

.~DE Borland C++ Project Backup File

.~MN Norton Menu Backup

.~PR Terramodel Project Backup

.~SG TapCIS Message Index File

.~$~ 1st Reader Temporary File .?q? Squeeze

.??? ANY three character audio file:

May be a dictation file where the

extension is the dictator's initials;

playable by BCB Voice Systems software. .$$$ Temporary File (various)

.$$A OS/2

.$$F OS/2 Database

.$$P OS/2 Notes

.$$S OS/2 Spreadsheet

.$D$ OS/2 Planner Data File

.$DB dBase Temp File

.$ED MS C/C++ Temporary Editor File

.$LN Borland C++ TLink Response File

.$VM MS Windows Virtual Manager Temp File .@@@ Screen Files (shown during various installations) ._DD Norton Disk Doctor Recovered File

._DM Nuts n Bolts Disk Minder Recovered File

(Helix Software now part of McAfee)

Top of Page

.000 (000-999) Sequentially Numbered Backup Files

MS Doublespace Compressed Data File

Geoworks Data File

.001 Fax Data File (various)

.075 Ventura Publisher 75dpi Screen Characters

.085 Ventura Publisher 85dpi Screen Characters

.091 Ventura Publisher 91dpi Screen Characters

.096 Ventura Publisher 96dpi Screen Characters

.0B PageMaker Printer Font LineDraw Characters

.10X Gemini Bitmap Printer Graphics File

.113 Iomega Backup File

.123 Lotus File

.12M Lotus Smartmaster File

.12U PageMaker Font File

.15U PageMaker Printer Font

.196 Computer Snooper Log File (inactive domain: http://www.computersnooper.com)

.1PE TurboTax Form File

.1ST Information (e.g., README.1ST)

.24B 24-bit Graphic File

.286 Windows Standard Mode Driver

.2D 2D VersaCAD Drawing File

.2GR Windows EGA/VGA Screen Grabber [EGA] [VGA]

.301 Fax Data

.303 Seq-303 Settings

.320 Chromelion Demo Data File

.323 H.323 Internet Telephony

.340 Chromelion Demo Data File

.386 Windows Enhanced Mode Driver or Swap File

.3D VersaCAD 3D Drawing File

.3DM 3D Modeler File

.3DP Serif 3D Plus

.3DS 3D Studio Graphic

.3DT The database in InterBase 6.0 format (the open source version) in which a 3D Topicscape

is held. URL: www.topicscape.com (added 2005-09-22)

.3FX Corel Chart 3D Effect

.3GR Windows SVGA/XVGA Screen Grabber [SVGA]

.3IN MSN Setup Information

.411 Sony Mavica Data File

.4GE Informix 4GL Compiled Code

.4GL Informix 4GL Source

.4SW 4DOS Swap File

.4TH FORTH Program

.4V Quartet Music File

.669 669 Tracker Module

Unis Composer Music File

.8 A86 Assembler Program File

.8BA Adobe PhotoDeluxe Plugin (also ends in E, F, I, X, & Y)

.8BF Filter Factory File [Viewer]

.8M PageMaker Math 8 Printer Font

.8U PageMaker Roman 8 Printer Font

.906 Calcomp Plotter File

Top of Page

.A UNIX Library [UNIX]

ADA Program

.A01 ARJ Multi-volume Compressed Archive (can be 01 to 99)

.A11 Graphic

.A3K Yamaha A3000 Sampler File

.A3L Authorware 3.x Library

.A3M Unpackaged Authorware MacIntosh File

.A3W Unpackaged Authorware Windows File

.A4L Authorware 4.x Library

.A4M Unpackaged Authorware MacIntosh File

.A4P Authorware File Without Runtime

.A4W Unpackaged Authorware Windows File

.A5L Authorware 5.x Library

.A5W Unpackaged Authorware Windows File

.A86 A86 Assembler Program File

.A_T A-Train

.AA Audio Book File

.AAM Authorware Shocked File

.AAS Authorware Shocked Packet

.AB Applix Builder File

.AB6 AB Stat Data

.AB8 AB Stat Data

.AB$ AutoCAD Spooled Plot File

.ABC Flowchart

.ABD AmBiz Bonus Calculator Data File

.ABF Adobe Binary Screen Font

.ABK Corel Draw AutoBackup

Any Automatic Backup

.ABM HitPlayer Audio Album File

Album File (various)

.ABO Applix Builder Turbo File

.ABR Photoshop Brush

.ABS Abstracts

MPEG Audio Sound File [MPEG]

PC GNU Compiler Output

Abscissa Data File

.ABW AbiWord Document File

.ACA MS Agent Character File

Project Manager Workbench File

.ACB ACBM Graphic Image

Archived Data File

.ACC DR-DOS Viewmax File

.ACD Chromeleon Channel Raw Data

Sonic Foundry Acid Music File

MS Agent Character Definiton File

.ACE The Ace Archiver Compressed File

.ACF MS Agent Character File

Photoshop Custom Filter

.ACG MS Agent Preview File

.ACI ACI Development Appraisal

.ACL Corel Draw 6 Keyboard Accelerator

.ACM Audio Compression Manager Driver (Windows)

Photoshop Command Button

Windows System File

ACBM Image File

Interplay Compressed Sound File

.ACO Photoshop Color Swatch File

.ACP MS Office Assistant Preview File

.ACR American College of Radiology File

.ACS MS Agent Character File

.ACT MS Office Actor Program File

FoxPro Documenting Wizard Action Diagram

Photoshop Color Table

.ACV OS/2 Audio Drivers

Photoshop Saved Curve Also see

.AD AfterDark Screen Saver

.ADA ADA Program File

.ADB ADA Package Body

HP Organizer Appointment Database

.ADC Chromeleon Demo Data File

Scanstudio 16-color Bitmap Graphic File

Lingvo Dictionary Text File

.ADD OS/2 Adapter Device Driver

Adobe Pagemaker File

.ADE MS Access Project Extension

ADC Audio File

.ADF Adapter Description File

Admin Config File

Amiga Disk File (Uncompressed 901120 byte DD Diskimage)

.ADI AutoCAD Plotter File

.ADL QEMM MCA Adapter Description Library [MCA]

.ADM After Dark Screen Saver Module

Windows NT Policy Template

.ADN 1-2-3 Add In Utility

MS Access Blank Project Template

.ADO Photoshop Duotone Options

.ADP FaxWorks Modem Setup File

Astound Dynamite File

MS Access Project

AOLserver Dynamic Page File [AOL]

.ADR After Dark Random Screen Saver Module

Smart Address Address Book

.ADS ADA Package Specification

.ADT HP NewWave Card Application Data File

Lingvo Dictionary File

AdTech Fax File

.ADV GUS Virtual Device Driver

.ADX Lotus Approach Index File

Archetype Designer Document

Dynazip Active Delivery Script

.ADZ GZ-Packed Amiga Disk File (see ADF)

.AE SoftQuad Author/Editor File

.AEH iPer Advanced Embedded Hypertext

.AEP ArcExplorer Project File

.AEX PGP Armored Extracted Public Encryption Key [PGP]

.AF2 ABC Flowchart

.AF3 ABC Flowchart

.AFC Apple Sound File

.AFI Truevision Bitmap Graphic

.AFL Lotus Font

.AFM Outline Font Metric

HP NewWave Cardfile Application

.AFP Flowchart Symbol Palette

.AFS Filter Factory Photoshop Filter

.AFT Flowchart Template

.AFW Flowchart Work Area

.AG Applix Graphic

.AG4 Access G4 File

.AHS Photoshop Halftone Screens

.AI Adobe Illustrator Vector Graphic

Corel Trace Drawing

.AIF Knowledgeware Setup Information

Audio Interchange File [Viewer]

.AIM AOL Instant Messenger File [AOL]

.AIN AIN Compressed Archive

.AIO APL File Transfer Format

.AIR Align It! Resource File

.AIS Array of Intensity Samples (Graphic)

Velvet Studio Instruments

ACDSee Image Sequence File

.AIX HP NewWave Cardfile Application Data

.AKF Acrobat Key File

.AKW RoboHELP Help Project Index File

.ALB JASC Image Commander Album

.ALC Norton Internet Security Ad Server File

.ALL Arts & Letters Symbols and Characters

WordPerfect Printer Info

.ALS Alias Image

.ALT WordPerfect Menu File

.ALV Photoshop Levels

.AM Applix SHELF Macro

.AMF Advanced Module Format Music File

DSMIA/Asylum Module Music

.AMG AMGC Compressed Archive (alternate site)

AMG ACTOR System Image

.AMI Cocreate SolidDesigner Annotation File

.AMP Photoshop Arbitrary Map Settings

.AMS Extreme's Tracker Module Format

Photoshop Monitor Setup

Velvet Studio Module

.AN Groundworks Text File

.ANC Canon Computer Pattern Maker File

.ANI Animated Cursor [Viewer]

.ANL Project Analyzer Saved Analysis

.ANM DeluxPaint Animation

.ANN Help Annotation

.ANS ANSI Graphic [ANSI]

MS Word Text and Layout

.ANT SimAnt for Windows Saved Game File

.AOS Nokia Add-on Software

.AOT ZenWorks Application Binary Object Template File

.AP Applix Presents File

WHAP-Compressed Amiga Archive

.APC Lotus Printer Driver Characters

Centura Team Developer Compiled Application File

.APD Lotus Printer Driver

Centura Team Developer Dynamic Application Library File

.APF Lotus Printer Driver Fonts

Acrobat Profile File

Homesite Project File

.API Lotus Printer Driver Info

Photoshop Ink Colors Setup

Application Program Interface

.APL Centura Team Developer Application Library File

APL Workspace File

.APP R:Base, Symphony, DR-DOS, FoxPro (or other) Application

Centura Team Developer Normal Mode Application File

.APR Lotus Approach 97 File

ArcView Project File

.APS MS Visual C++ File

.APT Centura Team Developer Text Mode Application File

Lotus Approach Data View File

.APX Lotus Approach Paradox-specific Information File

Borland C++ Appexpert Database

.AQ Applix Data

.ARC Archive File

Compressed File

.ARF Automatic Response File

.ARI Aristotle Audio File

Compressed Archive

.ARJ Compressed Archive

.ARK Compressed Archive

.ARL AOL Organizer File [AOL]

.ARR Atari Cubase Arrangement

.ART Clip Art File

Xara Studio Drawing

Canon Crayola Art File

Another Ray Tracer Format

AOL Johnson-Grace Compressed File [AOL]

First Publisher Raster Graphic

.ARX Compressed Archive

.AS Applix Spreadsheet

.ASA MS Visual InterDev File

Active Server Document

.ASC ASCII Text File [ASCII]

PGP Armored Encrypted File [PGP]

.ASD MS Word Automatic Backup

Lotus Screen Driver

MS Advanced Streaming Format Description File

.ASE Velvet Studio Sample

.ASF MS Active Streaming File

Statgraphics Data

Lotus Screen Font

APL*Plus/PC APL Shared File

Electronic Arts Music File

.ASH TASM Assembler Header

.ASI Borland Assembler Include

.ASK askSam Database

.ASM Assembler Source Language (various)

.ASO Assembler Object

Astound Dynamite Objects

.ASP Active Server Page

Procomm Plus ASPECT Program

Astound Presentation File

Photoshop Photo File Index

Photoshop Separation Setup

.ASR Automap Route

Photoshop Scratch Area

.AST Astound Multimedia File

Photoshop Separation Tables

Claris Works Assistant File

.ASV DataCAD Autosave File

Photoshop Selective Color

.ASX Active Streaming File

Cheyenne Backup Script

MS Advanced Streaming Redirector File

Video File

.AT2 Aldus Persuasion 2.0 Auto Template

.ATF Photoshop Transfer Function

.ATM Adobe Type Manager Data File

.ATT AT&T Group 4 Bitmap (fax)

.ATW AnyTime Deluxe PIM File [PIM]

.AU Music File (various) [Viewer]

.AUD Audio File used by Westwood Studios for various games

.AUX TeX/LaTeX Auxilliary Reference File

ChiWriter Auxilliary Dictionary File

.AVA Avagio Publication

.AVB Inculan Anti-Virus Virus Infected File

.AVI Audio Video Interleave File [Viewer]

.AVR Audio Visual Research Sound File

.AVS Animation File

Application Visualization System Format

Stardent AVS-X Image

Winamp Advanced Visualization Studio File

.AVX ArcView File

.AW HP AdvanceWrite Text File

Applix Word File

.AWD Faxviewer Document

.AWK AWK Script

.AWM Animation Works Movie

.AWR Telsis Digital Audio File

.AWS StatGraphics Data File

.AXL ArcIMS XML Project File [XML]

.AXR Telsis Digital Audio File

.AXT ASCII Application Object Template

Photoshop Replace Color/Color Range

Top of Page

.B1J BookJones

.B1N 1st Reader Binary Screen Image

.B1S BookSmith

.B30 Ventura Publisher Printer Font

.B3D 3D Builder File

.B4 Helix Nuts and Bolts File

(Helix Software now part of McAfee)

.B64 Base 64 MIME-encoded File [MIME]

.B8 Piclab Raw Graphic File

.BAC Backup

.BAD Rime Mailer Address File

Oracle BAD File

.BAK Backup

.BAL Ballade Music Score

.BAS BASIC Language Source

Basic Module

.BAT Batch Processing

.BB Papyrus Database Backup

.BBL TeX/BibTeX Bibliographic Reference File

.BBM Deluxe Paint Image File

.BBS Bulletin Board Sytem Text

.BCH dBase Application Generator Batch Process Object

Phoenix Software (Datalex) Entry Point 90 Data File

.BCK Backup

.BCM MS Works Communications Ffile

.BCO Bitstream Fontware File

.BCP Borland C++ Makefile

.BCW Borland C++ 4.5 Environment Settings

.BDB MS Works Dababase File

.BDF West Point Bridge Designer File

.BDF Egret Data File

.BDR MS Publisher Border

.BEZ Bitstream Fontware File

.BF2 Bradford 2 Font

.BFA Blowfish-encrypted File (Extension added to original)

.BFC Briefcase File

.BFM UNIX Font Metrics File

.BFX BitFax Document

.BG MS Backgammon for Windows Game

.BGA OS/2 Graphic Array

.BGI Borland Graphic Interface

.BGL Flight Simulator Scenery File

.BHF pcAnywhere Host File

.BI Binary File

.BIB Bibliography

TeX/BibTeX Literature Database

.BIF GroupWise Initialization File

.BIG Chinese (old version)

.BIK BioCharter Profile Backup File

.BIN Binary File

.BIO BioCharter Profile File

OS/2 Bios File

.BIT Bitmap Image

.BK Backup

JetFax Faxbook File

.BK! Backup

.BK$ Backup

.BK1 Backup (Can be 1 to 9, usually with WordPerfect)

.BKI Backup Index

.BKP Backup

.BKS Bookshelf Backup

IBM BookManager Read Bookshelf

MS Works Spreadsheet Backup

.BKW FontEdit Fontset Mirror Image

.BLB DreamWorks Resource Archive

.BLD BASIC Bload Graphics

.BLK WordPerfect Temp File

Alias Wavefront Image

.BLT Wordperfect for DOS File

.BM Graphic (bitmap)

.BM1 Apogee BioMenace Data File

.BMF Image File

.BMI Buzz Instrument

.BMK Help Bookmark

.BMP Windows OS/2 Bitmap Graphics [Viewer]

.BMS Backup Magic Backup Set

.BMW Buzz Music File with Waves

.BMX Buzz Music File

.BN AdLib Instrument Bank

.BNK Adlib Instrument Bank

SimCity Game File

(reported to be) Bink Compressed Video/Audio File

.BOO Image File

Book

Compressed Archive File

.BOX Notes Mailbox

.BPC Business Plan Toolkit Chart

.BPL Delphi Library

.BPS MS Works Document

.BPT Bitmap Master File

.BPX Truevision Targa Bitmap

.BQY BrioQuery File

.BR Bridge Script

.BR3 Bryce 3D Scene File

.BRC Bryce 2 Scene File

.BRD EAGLE Board File

.BRI Basic Rate Interface File

.BRK Brooktrout Fax-Mail File

.BRX Multimedia Browsing Index

.BS_ MS Bookshelf Find Menu Shell Extension

.BS1 Apogee Blake Stone Data File

.BSA BSARC Compressed Archive

.BSC Apple II Compressed Archive

Boyan Script

MS Developer Studio Browser File

.BSK Bryce 4 File

.BSP Quake Map

.BSV BASIC Bsave Graphics

.BTM 4DOS Batch To Memory Batch File

.BTN ButtonWare File

.BTR Btrieve Database File

.BUD Quicken Backup

.BUG Bug (Problem) File

.BUN CakeWalk Audio Bundle File

.BUP Backup

.BUT Buttons! Button Definition

.BUY Movie Data File

.BV1 WordPerfect Overflow File (Can be 1 to 9)

.BW SGI Black and White Image

.BWB Visual Baler Spreadsheet File

.BWR Kermit Beware Bug List

.BWV Business Wave File

.BYU Movie File

.BZ Bzip UNIX Compressed File

.BZ2 Bzip UNIX Compressed File (Replaces .BZ)

Top of Page

.C C Program File

.C00 Ventura Print File

.C01 Typhoon Wave File

.C86 C86 C Program

.C-- Sphinx C-- Source code

.CA Telnet Server Initial Cache Data File

.CA7 Beta 44 Job File

.CAB Cabinet File (Microsoft installation archive)

.CAC dBase IV Executable File

.CAD Softdesk Drafix CAD File

.CAG MS Clip Gallery Catalog File

.CAL SuperCalc Worksheet

Calendar File

CALS compressed bitmap

.CAM Casio Camera Graphic [Viewer]

.CAN Navigator Fax

.CAP Ventura Caption

Telix Session Capture

Compressed Music File

.CAR AtHome Assistant File

.CAS Comma-delimited ASCII File

.CAT dBase Catalog

Quicken IntelliCharge Categorization File

.CB MS Clean Boot File

.CBC CubiCalc Fuzzy Logic System File

.CBI IBM Mainframe Column Binary Formatted File

.CBL COBOL Program

.CBM XLib Compiled Bitmap

.CBT Computer Based Training

.CC C++ Program File

Visual dBASE Custom Class File

.CCA CC:Mail File

.CCB Visual Basic Animated Button Configuration

.CCC Chat

Curtain Call Native Bitmap Graphic

.CCE Calendar Creator Plus Data File

.CCF OS/2 Multimedia Viewer Configuration File

Symphony Communications Configuration File

.CCH Corel Chart

.CCL Intalk Communication Command Language

.CCM Lotus CC:Mail Mailbox

.CCO CyberChat Data File

.CCR Chat Room Shortcut

.CCT Macromedia Director Shockwave Cast

.CDA CD Audio Track

.CDB Turbo C Database

Clipboard File

CardScan Database

PowerDesigner Conceptual Model Backup File

.CDC Chromeleon Driver Configuration Plugin

.CDD Chromeleon Device Driver

.CDF Comma Delimited Format

Cyberspace Description Format

MS Channel Definition Format

.CDI Phillips Compact Disk Interactive Format

.CDK Atari Calamus Document

.CDM PowerDesigner Conceptual Model File

Visual dBASE Custom Data Module

.CDR Corel Vector Graphic

Raw Audio-CD Data

.CDT Corel Draw Template

.CDX Compound Index

Corel Draw Compressed Drawing

MS Visual Foxpro Index

Active Server Document

.CE FarSide Computer Calendar File

.CEG Continuous Edge Graphic

Tempra Show Bitmap Graphic

.CEL Autodesk Animator Graphic

CIMFast Event Language File

Kiss Paper Doll File

.CER Certificate File

.CEX The Currency Exchanger Rate File

.CF Imake Configurtion File

.CFB Comptons Multimedia File

.CFG Configuration (various)

.CFL Corel Flowchart File

.CFM Corel FontMaster

Cold Fusion Template File

Visual dBASE Windows Customer Form

.CFN Atari Calamus Font Data File

.CFO TCU Turbo C Utilities C Form Object

.CFP Complete Fax Portable Fax File

.CGA Ventura CGA Screen Characters

.CGI Common Gateway Interface Script

.CGM Computer Graphics Metafile

.CH Clipper Header

OS/2 Configuration File

.CH3 Harvard Chart (Harvard Graphics taken over by Serif)

.CH4 Charisma 4.0 Presentation

.CHA Adobe Pagemaker Kerning Data

.CHD FontChameleon Font Descriptor

.CHF pcAnywhere Remote Control File

.CHI Chiwriter Document

.CHJ Help Composer Project

.CHK CHKDSK/SCANDISK Output

WordPerfect Temp File

.CHL Chromeleon Channel Raw Data

Configuration History Log

.CHM Compiled HTML Help

.CHN Ethnograph Data File

.CHP Ventura Publisher Chapter

.CHR Character or Font File

.CHT Cheat Machine Data File

ChartViewer dBase Interface File

Harvard Graphics Vector File

(Harvard Graphics taken over by Serif)

.CIF Ventura Chapter Information

Easy CD Creator Image

pcAnywhere Caller File

Ventura Converted Image File

Colombo Ipermedia File

.CIL Clip Gallery Download Package

.CIM Sim City 200 File

.CIN OS/2 Change Control File

.CIR SuperMax E-CAD Save-File Command

.CIT Intergraph Scanned Image

.CIX TCU Turbo C Utilities Database Index

.CK1 iD/Apogee Commander Keen 1 Data File (.CK1 to .CK6)

.CKB Borland C++ Keyboard Mapping File

.CKP Ingres Checkpoint File

.CL Generic LISP Source Code

.CL3 Easy CD Creator Layout File

.CL4 Easy CD Creator Layout File

.CLA Java Class File (usually .CLASS but can be shortened)

.CLG Disk Catalog Database

.CLL Crick Software Clicker File

.CLO Cloe Image

.CLP Windows Clipboard/Picture [Viewer]

Quattro Pro Clip Art

Clipper 5 Compiler Script

.CLR WinEdit Colorization Word List

1st Reader Binary Color Screen Image

PhotStyler Color Defintion

.CLS Visual Basic Class Module

C++ Class Definition

.CM Craftman Data File

.CMA Applix TM1 Database File (text)

.CMB Chromeleon Backup Archive

.CMD OS/2, WinNT Command File

DOS CP/M Command File

dBase II Program File

1st Reader External Command Menu

.CMF Creative Music File

Corel Metafile

.CMG Chessmaster Saved Game

.CMK Card Shop Plus File

.CML Cheat Machine Library File (Windows)

PADGen Company Info File

.CMP Leadview Bitmap

Open Access File

Address Document

JPEG Bitmap

CorelDRAW Postscript Printer Header

Route 66 Address Document

MS Word for DOS User Dictionary

.CMR MediaPlayer Movie

.CMU Carnegie Mellon Univeristy Stereo Raster Image

.CMV Corel Move Animation

.CMX Corel PhotoPaint Image

Corel Presentation Exchange Image

Apple Viewer File

.CNF Configuration (various)

SpeedDial

.CNM Windows Application Menu Options and Setup File

.CNQ Compuworks Design Shop File

.CNT Help File Contents (and other contents needs)

.CNV MS Word Data Conversion File

WS_FTP Pro Upload Conversion File Data

WordPerfect Temporary File

.COB COBOL Program File

Caligari Truespace Format

TrueSpace2 Object

.COD Code List

Compiler Program Code

.COD Multiplan Data File

dBase Template Source File

FORTRAN Compiled Code

.COL Autodesk Color Palette

Multiplan Spreadsheet

Lotus Notes Import Column Description File

.COM Command (Executable file)

.CON Knowledgeware Consolidation File

Simdir Configuration File

.CP8 CP8 256 Gray Scale Image

.CPD Fax Coversheet

Corel PrintOffice File

Complaints Desk Script

.CPE Fax Coversheet

.CPF Complete Fax File

.CPH Corel Print House Image

.CPI Code Page Information

ColorLab Image

.CPJ CeQuadrant CD Project

.CPL Control Panel Extension

Corel Color Palette

Compel Presentation

.CPO Corel Print House File

.CPP C++ Program

CA-Cricket Presents Presentation

.CPR Corel Presents Presentation

Knowledge Access Graphics

.CPS Antivirus Checksum File

Central Point PC Tools Backup

Colored PostScript File

.CPT Macintosh Compressed File

Corel Photo-Paint Image [Viewer]

dBase Encrypted Memo

CA Cricket Presents Template

.CPX Control Panel Applet

CryptaPix Encrypted Image

Corel Presentation Exchange Compressed Drawing

.CPY Copy Books Data File

.CPZ COMPOZ Music Text

.CRD Cardfile (Windows 3.x Database)

.CRF Zortech C++ Cross-Reference File

.CRH MS Golf Image File

.CRL Certificate Revocation List

.CRP dBase Encrypted Database

Visual dBASE Custom Report

Corel Presents Run-Time Presentation

.CRS WordPerfect 5.1 for Windows File Conversion Resource

.CRT Certificate File

Oracle Terminal Settings Info

UNIX Crontab File (not a required extension for Crontab)

.CRU CRUSH Compressed Archive

.CRY Crypto Chat II Encrypted Notebook-content

.CSA Comma Deliminated Text

.CSC Corel Script

.CSD Bitstream Fontware File

Chemsoft® MSDS Database File

.CSF Chemical Sample File - Cache Software

.CSH Hamilton Labs C Shell Script File

.CSK Claris Works

.CSM Borland C++ Symbol File

Borland C++ 4.5 Precompiled Header

Kodak DC265 Camera Script

.CSP PC Emcee On-Screen Image

.CSQ Foxpro Queries

.CSS Hypertext Cascading Style Sheet

Stats+ Datafile

Statistica Datasheet

.CST Macromedia Director Cast File

.CSV Comma-Separated Variables

.CT Scitex CT Bitmap

.CTF TIFF Compressed File

Symphony Character Code Translation

.CTL Setup Information (various)

User Control (various)

.CTX Compressed Text

Visual Basic User Control Binary File

Pretty Good Privacy (PGP) Ciphertext File

MS Online Course Text

.CTY SimCity City File

.CUE MS Cue Cards Data

.CUF Turbo C Utilities Form Definition

.CUL IconForge/ImageForge Cursor Library

.CUR Cursor [Viewer]

.CUT Dr. Halo Bitmap Graphic

.CV Corel Versions Archive

MS CodeView Information

.CV4 Codeview Colors

.CVP WinFax Cover Page

.CVS Canvas Drawing File

.CVT dBase Converted Database

.CVW Codeview Colors

.CWE Crossword Express

.CWK Claris Works Data

.CWS Claris Works Template

.CXT Macromedia Director Protected Cast File

.CXX Zortech C++ Program

Top of Page

.D Dialect Source Code File

.D3D CorelDream 3D File

.D64 Commodore 64 Emulator Disk Image

.D8A AmBiz Productivity Pak Catalog

.DAD Chromeleon Channel Raw Data

.DAP Omnis5 Application File

MS Access Data Access Page

.DAT Data (multiple programs)

WordPerfect Merge Data

(also possibly) MPEG File

.DB Paradox Database

.DB2 dBase II File

.DBC MS Visual Foxpro Database Container

.DBF Database (multiple programs) [started as dBASE]

Oracle 8.x Tablespace File

.DBK dBase Database Backup

Orcad Schematic Capture Backup File

.DBM Cold Fusion Template

.DBO dBase IV Compiled Program File

.DBQ Paradox Memo

.DBT Database Text File [dBASE]

.DBV Flexfile Memo Field File

.DBW DataBoss Database File

.DBX Database (multiple programs)

DataBeam Image

MS Visual Foxpro Table

.DC DesignCAD CAD File

.DC2 DesignCAD CAD File

.DC5 DataCAD Drawing File

.DCA Visual Basic Active Designer Cache

IBM DisplayWrite Document Content Architecture Text File

.DCD Document Content Description File

.DCF Design Rule for Camera File Systems File

.DCM DCM Module Format

.DCP Delphi Compiled Packages

OS/2 Data CodePage

.DCR Shockwave File

.DCS Quark Desktop Color Separation Specification

ACT! Activity Data File

.DCT Dictionary (various)

MS Visual Foxpro Database Container

.DCU Delphi Compiled Unit

.DCX FAX Image [Viewer]

Bitmap Graphics [Viewer]

Macros

MS Visual Foxpro Database Container

.DD Macintosh Compressed Disk Doubler Archive

.DDB Bitmap Graphics File

.DDE Dynamic Data Exchange

.DDF BTRIEVE Database

Bitstream Fontware File

.DDI DiskDupe Image

Disk Doubler Image

.DDP OS/2 Device Driver Profile File

.DEB DOS Debug Script

Debian Linux Package

.DEF Definitions

Defaults

SGML Tag Definition

SmartWare II Data File

C++ Definition

Geoworks Assembly Header File

.DEL Data

.DEM Demonstration

USGS Map

.DEP Setup Wizard Dependency

.DER Certificate File

.DES Description Text

.DEV Device Driver

Device Independent TeX

LaTeX File

.DEZ DES Encrypted Zip File

.DF1 Omnis7 and Omnis Studio Database File (also .DF2, .DF3, etc.)

.DFD File Flow Diagram Graphic

.DFI Digifont Outline Font Description

.DFL Signature Default Program Settings

.DFM Delphi Forms

File Flow Diagram Model

.DFS Delight Sound File

.DFV Word Print Format Template

.DG Autotrol Graphics

.DGC TurboTax-related File

.DGN Microstation95 CAD Drawing File

Intergraph Graphics

.DGS AT Advanced Diagnostics File

.DH Geoworks Dependency Information File

.DHP Dr. Halo PIC

.DHT Gauss Data File

.DIA Computer Support Corp Diagraph Graphics File

.DIB Device-Independent Bitmap Graphic [Viewer]

.DIC Dictionary (various)

.DIF Data Interchange Format

.DIG Text Document

Digilink Format

Sound Designer Audio File

.DIP Graphics File

.DIR Procomm Plus Dialing Directory

Macromedia Director File

DEC VAX Directory

.DIS Corel Draw Thesaurus

.DIT MS Win2000 Active Directory Schema

.DIZ Description In Zip File

.DKB DKBTrace Ray-Traced Graphics File

.DL Animations file

.DLD Lotus File

.DLG Dialog Resource Script

C++ Dialogue Script

.DLL Dynamic Link Library

CorelDraw Export/Import Filter

.DLS Downloadable Sounds (Interactive Music Architecture)

Norton DiskLock Setup File

.DMD Visual dBASE Data Module

.DMF Delusion/XTracker Digital Music File

Packed Amiga Disk Image

.DMO Demo

.DMP Dump (various)

.DMS Compressed Archive

.DNE Darn v5+ (Windows) Events List

.DOB User Document Form File

.DOC Document or Documentation (many programs/formats)

MS Word Document

.DOG Laughing Dog Screen Saver

.DOH Geoworks Dependency Information File

.DOS Text File/DOS Specification Info

.DOT MS Word Document Template

Corel Lines-Definition

.DOX Text File

MultiMate Document

User Document Binary Form File

.DOZ VENDINFO Description Out of Zip File

.DP Daily Planner Calendar File

DataPhile Data File

.DPA Serif DrawPlus Animation

.DPJ DeskProto CAM Project File

.DPK Delphi Package File

.DPL Borland Delphi 3 Packed Library

.DPP Serif DrawPlus Drawing

.DPR Borland C++ (or Delphi) Default Project

.DPT Publish-It! Publication File

.DPX Digital Moving Picture Exchange

.DQY MS Excel ODBC Query File

.DRC Orcad Schematic Capture Design Rules Check Report File

.DRN Darn for DOS

.DRS WordPerfect Driver Resource

.DRV Device Driver

.DRW Drawing (various)

Micrografix Vector Graphic

Pro/E Drawing

.DS4 Micrografx Designer Graphics (ver 4)

.DSC Oracle Discard File

Nikon Coolpix Disk Identification File

.DSD DataShaper Database File

Document Structure Definition File

.DSF Micrografx Designer

Delusion/XTracker Digital Sample

.DSG Doom Saved Game

.DSK Borland C++ or Turbo Pascal Project Desktop File

Novell Driver File

.DSL Lingvo User Feature Dictionary

.DSM Delphi Symbol File

Digital Sound Module Tracker Format

Dynamic Studio Music Module

.DSN ODBC Data Source

SureThing Office Labeler (formerly DesignExpress) Document

Orcad Schematic Capture Schematic File

.DSP Signature Display Parameters

Dr. Halo Graphic Screen Driver

MS Developer Studio Project

.DSQ Corel QUERY File

.DSR WordPerfect Driver

Active Designer File

.DSS Digital Soup Digital Sound File

.DST Embroidery Machines Graphics File

.DSW MS Developer Studio Workspace

Borland C++ Desktop Settings

.DSX Active Designer Binary File

.DT_ Macintosh Data File Fork

.DTA Data (Various)

.DTD SGML Document Definition File

.DTF Q&A Database

.DTM DigiTrekker Module

.DTP SecurDesk! Desktop

Timeworks Publisher Text Document

Pressworks Template File

.DUN Dial-Up Network

.DUP Duplicate Backup

.DV DESQview Script

Digital Video File

.DVC Lotus File

.DVF DV Studio Camcorder Graphics File

.DVI Device Independent Document

.DVP DESQview Program Information

AutoCAD Device Parameter

.DVR Device Driver

.DW2 DesignCAD Drawing File

.DWC Compressed Archive

.DWD DiamondWare Digitized File

.DWF Autodesk Vector Graphic

.DWG AutoCAD Drawing Database

.DWP Dweep Game Levels

DeScribe Document File

.DWS Dyadic Workspace File

.DWT AutoCAD Template/Prototype File

.DX Document Imaging File

Digital Electric Corporation (DEC) Data Exchange File

.DXB Drawing Interchange Binary

.DXF AutoCAD Drawing Interchange Format

.DXN Fujitsu dexNet Fax Document

.DXR Macromedia Director Protected Movie File

.DYN Lotus File

Top of Page

.EBJ Geoworks Error Checking Object File

.ECC Ecchi Role-playing Format (Generally X-rated Anime File)

.ECW Ensoniq Waveset Format

.ED5 EDMICS Graphics File

.ED6 EDMICS Graphics File

.EDA Ensoniq ASR Disk Image

.EDB ROOTS3 Geneological Data

.EDD FrameMaker Element Definition Document

.EDE Ensoniq EPS Disk Image

.EDK Ensoniq KT Disk Image

.EDQ Ensoniq SQ1/SQ2/KS32 Disk Image

.EDS Ensoniq SQ80 Disk Image

.EDT VAX Edt Default Settings

.EDV Ensoniq VFX-SD Disk Image

.EEB WordPerfect Equation Editor Button Bar

.EFA Ensoniq ASR File

.EFE Ensoniq EPS File

.EFK Ensoniq KT File

.EFQ Ensoniq SQ1/SQ2/KS32 File

.EFS Ensoniq SQ80 File

.EFT Chiwriter High Res Screen Characters

.EFV Ensoniq VFX-SD File

.EFX Everex EFax Fax Document

.EGA Ventura EGA Screen Characters

.EL eMacs Lisp Source Code

.ELC eMacs Lisp Byte-compiled Source Code

.ELI Encyclopedia Article List

.ELM MS FrontPage Theme-Pack File

.ELT Event List Text

.EMB Everest Embedded Bank File

.EMD ABT Extended Module

.EMF Extended Windows Metafile Format [Viewer]

.EML MS Outlook Express Electronic Mail

.EMS PC Tools Enhanced Menu System Config

.EMU Emulation

.ENC UUENCODEd Encoded File

Video File

Knowledgeware Encyclopedia

Encore Music File

.END Corel Arrow Definition

.ENG Dictionary

.ENR Enroute Toolath

.ENV WordPerfect Environment

.EPD Express Publisher Publication File

.EPI Express Publisher Document File

.EPS Encapsulated PostScript [Viewer]

Ventura Printer Font

.EQN WordPerfect Equation

.ER1 ERWin File

.ERD Entity Relationship Diagram

.ERM Entity Relationship Diagram Model

.ERR Error Log (various)

.ERX ERWin File

.ESF Emblaze Audio File

.ESH Extended Shell Batch File

.ESI Esri Plot File

.ESL MS Visual FoxPro Distributable Support Library

.ETH Ethnograph Document File

.ETX SetText Structure Enhanced Text

.EUC Japanese (Kanji)

.EUI Ensoniq EPS Family Compacted Disk Image

.EVT PC Tools Event File Scheduler

MS WinNT/2000 Event Log

.EVY Envoy Document

.EWD Express Publisher for Windows Document

.EWL MS Encarta Document

.EX3 Harvard Device Driver (Harvard Graphics taken over by Serif)

.EXC QEMM Exclude File

REXX Program

MS Word Exclusion Dictionary

Text Document

.EXE Executable File

.EXP ICQ Saved Chat File

.EXT Norton Commander Extension File

.EYB Encyclopedia Yearbook File

.EZP Edify Electronic Workforce Backup Utility

.EZS Sunburst Technology Easy Sheet Document

.EZT Sunburst Technology Easy Sheet Template

Top of Page

.F Compressed Archive File (UNIX)

FORTRAN Program

.F01 Perfect Fax Document

.F06 DOS 6 Pixel Screen Font

.F07 DOS 7 Pixel Screen Font

.F08 DOS 8 Pixel Screen Font

.F09 DOS 9 pixel Screen Font

.F10 DOS 10 Pixel Screen Font

.F11 DOS 11 Pixel Screen Font

.F12 DOS 12 Pixel Screen Font

.F13 DOS 13 Pixel Screen Font

.F14 DOS 14 Pixel Screen Font

.F15 DOS 15 Pixel Screen Font

.F16 DOS 16 Pixel Screen Font

.F2R Farandoyle Linear Module Format

.F3R Farandoyle Blocked Module Format

.F32 Raw 32-bit IEEE Floating Point Values

.F64 Raw 64-bit IEEE Floating Point Values

.F77 FORTRAN 77 Program

.F90 FORTRAN Program

.F96 Frecom FAX96 Document

.FAC FACE Graphic

.FAQ Frequently Asked Questions

.FAR Farandoyle Tracker Music Module

.FAS 3D Fassade Plus Basic Module

.FAV MS Outlook Bar Shortcuts

.FAX Fax File

.FBC FamilyTree Compressed Backup File

.FBK Navison Financials Backup

FamilyTree Backup File

.FBM Fuzzy Bitmap

.FBS File Burner Skin

.FC Harvard Dictionary (Harvard Graphics taken over by Serif)

.FCD Virtual CD-ROM

FastCAD/EasyCAD Output

Patton & Patton Flow Charting 3 File

.FCT Foxpro Catalog

.FD FORTRAN Declarations

Dataflex Field Compiler Offsets

.FDB Navison Financials Database

Art Explosion Portfolio Catalog File

.FDF Adobe Acrobat Forms Document

.FDX Force Index

.FEB WordPerfect Figure Editor Button Bar

.FEM CADRE Finite Element Mesh File

.FES A file produced when a fileless occurrence in Topicscape is exported to Windows.

URL: www.topicscape.com Company: 3D-Scape Limited www.3d-scape.com

(added 2005-09-22)

.FEX Focus File

.FF AGFA CompuGraphics Outline Font Description

.FFA MS Fast Find File

.FFF GUS PnP Bank

defFax Fax Document

.FFL MS Fast Find File

PrintMaster Gold Image File

.FFO MS Fast Find File

.FFT DCA/FFT Final Form Text

.FFX MS Fast Find File

.FGA Folder Guard Attributes

.FGD Folder Guard Data

.FGP Folder Guard Passwords File

.FH3 Aldus Freehand 3 Drawing

.FH4 Aldus Freehand 4 Drawing

.FI FORTRAN Interface File

.FIF Fractal Image Format

.FIG REND386/AVRIL Graphic

.FIL dBase Files List Object

WordPerfect Overlay

.FIN WordPerfect Print Format Text

.FIT FITS Graphic

.FIX Generic Patch File

.FKY Foxpro Macro

.FLA Macromedia Flash Movie

.FLB Papyrus Format Library

.FLC AutoDesk FLIC Animated Picture

.FLD Charisma Folder

Hijaak Thumbnail Folder

.FLF Corel Paradox Form

OS/2 Driver File

Navison Financials License File

.FLI Autodesk FLIC Animation

.FLL Foxpro Library

.FLM AutoCAD Film

.FLR Live3D File

.FLT Corel Graphic Filter

StarTrekker Music Module

MulitGen Open Flight File

.FLX Image File

Dataflex Ordered Binder

.FM Adobe FrameMaker Document

FileMaker Pro Spreadsheet

.FM1 Lotus Spreadsheet File

.FM3 Harvard Device Driver (Harvard Graphics taken over by Serif)

1-2-3 Format File

.FMB WordPerfect File Manager Button Bar

Oracle Binary Form Source Code

.FMD Open Access File

.FML GetRight File Mirror List

.FMO dBase Ordered Format

.FMP FileMaker Pro Document

.FMT Format File

Style Sheet

Oracle Text Form Format

MS Schedule+ Print File

MS Visual FoxPro Csreen Format File

.FMV Frame Vector Metafile

.FMX Oracle Executable Form

.FND MS Explorer Saved Search

.FNG Font Navigator Group File

.FNK FunkTracker Module

.FNO Folio Infobase

.FNT Font File

.FOG Fontographer Font

.FON Font File

Procomm Plus Call Log

.FOR FORTRAN Source

.FOT Font-related File

.FOX FoxBase File

.FP FileMaker Pro File

.FP1 Flying Pigs for Windows Data

.FP3 FileMaker Pro File

.FP5 FileMaker Pro Document

.FPC FoxPro Catalog File

.FPT FileMaker Pro File

FoxPro Memo Fields

.FPX FlashPix Bitmap [Viewer]

.FRM Form File

FrameMaker Document

FrameBuilder Document

Oracle Executable Form

Visual Basic Form

WordPerfect Merge Form

DataCAD Symbol Report File

.FRS WordPerfect Graphics Driver

.FRT FoxPro Report File

.FRX Visual Basic Binary Form File

FoxPro Report File

.FSF Convert It! Factor File

fPrint Audit Tool File

.FSL Borderland's Paradox 7 Forms

Corel Paradox Saved Form

.FSM Farandoyle Sample Format

.FST FastStats Analyzer File

.FT Lotus Notes Full Text Index

.FTG Windows Help Full-text Search Group File

.FTM Family File

.FTS Windows Help Full-Text Search Index File

.FTV Forest & Trees File

.FTW Family File

.FW2 Framework II File

.FW3 Framework III File

.FW4 Framework IV File

.FWL FileWrangler EXE Library

.FXD WinFax Sent Document (TIFF format)

.FXI File-Ex File

.FXP FoxPro Compiled Source

.FXR WinFax Received Document (TIFF format)

.FZB Casio FZ-1 Bank Dump

.FZF Casio FZ-1 Full Dump

.FZV Casio FZ-1 Voice Dump

Top of Page

.G3 G3 FAX File [Viewer]

.G4 GTX RasterCAD File

.GAL Gallery of Pictures

Corel Multimedia Manager Album

.GB Chinese

.GBK Interbase Database Backup

.GC Sierra Print Artist File

.GCA GOCA Graphics File

.GCD Generic CADD Drawing

.GCF WinXComp Grouped Compressed File

.GCI GTA2 Game File

.GCP Ground Control Point File (map projection)

.GDB Interbase Database

.GDM Bells, Whistles, and Sound Boards Module

.GDS Image File

.GED GEDCOM Family History File

Graphic Environment Document

Arts & Letters Graphics File

.GEM GEM (a desktop interface) File

.GEN Ventura-Generated Text File

Chromeleon Generic Driver Configuration

.GEO VideoScope File

.GFC Patton & Patton Flowcharting 4 File

.GFI Genigraphics Graphics Link Presentation

.GFX Genigraphics Graphics Link Presentation

.GHO Symantec Ghost Disk Image File

.GID Windows Help Index File

.GIF Graphic Interchange Format [Viewer]

.GIM Genigraphics Graphics Link Presentation

.GIX Genigraphics Graphics Link Presentation

.GKH Ensoniq EPS Family Disk Image

.GKS Gravis GripKey Document

.GL Animated Picture

.GLY MS Word Glossary

.GMP GTA2 Game File

.GNA Genigraphics Graphics Link Presentation

.GNT Micro Focus Generated Code

.GNX Genigraphics Graphics Link Presentation

.GP3 CCITT Group 3 File (fax)

.GP4 CCITT Group 4 File (fax)

.GPP Serif GraphicsPlus Object

.GR2 Windows 3.0 Screen Driver

.GR3 Windows 3.0 Screen Grabber

.GRA Flight Simulator File

MS Graph Chart

.GRB MS-DOS Shell Monitor

.GRD Gradebook Power File

Map Projection Grid File

.GRF Graph

Golden Software Graph File

Grafix Idea File

.GRP Program Manager Group

.GRY Picture File

.GSM Raw GSM 6.10 Audio Stream

US Robotics Modem File

.GSP Geometer's Sketchpad Material File

.GT2 Graoumftracker Music Module (new)

.GTK Graoumftracker Music Module (old)

.GTY Gibson Tray File

.GWX Genigraphics Graphics Link Presentation

.GWZ Genigraphics Graphics Link Presentation

.GX1 Show Partner Graphics File

.GX2 Show Partner Graphics File

.GXT GTA2 Game File

.GZ Gzip Compressed Archive

Top of Page

.H Header (Usually C Compiler)

.H! Flambeaux Tutorial Database

.H++ C++ Header File

.H-- Sphinx C-- Header File

.HA Compressed Archive

.HAM Image File

.HBK Mathcad Handbook

.HDF Hierarchical Data Format File

.HDL Procomm Plus Alternate Download File Listing

.HDR Procomm Plus Message Header

PC-File+ Database Header

.HDX Help Index (Various)

.HED HighEdit Document

.HEL MS Hellbender Saved Game

.HEX Hex Dump

Macintosh BinHex 2.0 File

.HFI HP Font Info

.HFX HotFax File

.HGL HP Graphics Language

.HH C++ Header

Help Topic Map File

.HHC Table of Contents File (HHW Application)

TurboTax Contents File

.HHH Power C Precompiled Header

.HHK Help Workshop Index File

.HHP Procomm Plus Help Data

.HHP HTML Help Project

.HLP Windows Help File

.HMM Procomm Plus Alternate Mail Read Option Menu

.HOF Hall Of Fame (scores)

.HOG Lucas Arts Dark Forces WAD File

.HPF PageMaker HP LaserJet Fonts

.HPG Hewlett-Packard Graphics (plotter)

.HPI Gem Font Information

.HPJ Help Project File

.HPK Compressed Archive

.HPL HP Graphics File

.HPP C++ Program Header

.HPR RoboHELP Configuration File

.HQX Binhex Text Conversion File (Macintosh)

.HRL Herolab EasyWin32

.HPM Procomm Plus Alternate Main Menu

.HPP Zortech C++ Header

.HPR RoboHelp Configuration

.HQX Macintosh BinHex 4 Compressed Archive

.HRM Procomm Plus Alternate Main Menu

.HRX Herolab EasyWin32

.HRZ Image File

.HSS Photoshop Hue/Saturation Information

.HST History File

Host File

.HT HyperTerminal

.HTA Hypertext Application (run apps from HTML doc)

.HTF WebBase File

.HTI WebBase File

.HTM Hypertext Markup Language (HTML)

.HTT Hypertext Template

.HTX Extenended Hypertext Template

Internet Database Connector File

.HWP Hangul Word Processor File

.HXM Procomm Plus Alternate Protocol Selection Menu

Descent2 HAM File

.HXX C++ Header

.HYC WordPerfect Hyphenation File

.HYD WordPerfect Hyphenation Dictionary

.HYP Hypertext File

Hyphenation File

Compressed Archive

.HZ Chinese

Top of Page

.IBA mde infoHandler Infobase File

.IBM Image File

.ICA Citrix File

IOCA Graphics File

.ICB Targa Bitmap

.ICC Kodak Printer Image

.ICE Archive File

.ICL Icon Library File (various) ImageForge/IconForge [Viewer]

.ICM Image Color Matching Profile File

.ICN Icon Program

.ICO Icon [Viewer]

.ICS Outlook Calendar File

.ID Disk Identification File

.IDB MS Developers Intermediate File

.IDD MIDI Instrument Definition

.IDE Integrated Development Environment Configuration File

.IDF MIDI Instruments Drivers File

.IDQ Internet Data Query File

.IDX Index (multiple programs)

.IEF Image File

.IFF Graphic, Sound (Interchangeable File Format) [Viewer]

.IFS OS/2 System File

IconForge Image EXE Library

.IGF Inset Systems Metafile

.IGS IGES-Format

.IIF QuickBooks for Windows Interchange File

.III Intel Phone Compatible

.IL Icon Library

.IM8 Sun Raster Graphic

.IMA WinImage File

.IMF ImageForge/ImageForge Image EXE Library

.IMG Bitmap Graphic (several programs) [Viewer]

.IMP Urban Chaos Game File

.IN3 Harvard Input Device Driver

(Harvard Graphics taken over by Serif)

.INC Include File (various)

.IND dBase IV or DataPerfect Index

.INF Information or Setup File

.INI Initialization file (many)

.INK Pantone Reference File

.INP Oracle Source Code

.INS Internet Communication Setting

WordPerfect File

Ensoniq EPS Family Instrument

Sample Cell / II Instrument

InstallShield Script

X-Internet Sign-up File

.INT Borland Interface Units

Foxpro Code Page

Intermediate Code used for syntax checking (various)

.INX Foxbase Index

.IO Compressed Archive

.IOB Imagine File

.IOF Findit Document

.ION Text Program/Installation Description

.IPL Corel Pantone Spot Reference Palette

.IPX Interactive Pictures Corporation AV File

.IQY Excel Web Query

.IRS WordPerfect Resource File

.ISD RapidFile Dictionary

.ISH Compressed Archive File

.ISO File List for CD-ROM

.ISP X-Internet Sign-up File

Internet Communication Settings

.ISS InstallShield Response File

.IST Digitrakker Instrument File

.ISU InstallShield Uninstall Script

Netscape File

.IT Impulse Tracker Music Module

.ITI Impulse Tracker Instrument

.ITS Internet Document Set

Impulse Tracker Sample

.IV VRML File

Open Inventor File

.IVF Indeo Video File

.IW Iconware Application

Idlewild Screensaver

.IWA IBM Writing Assistant Text

.IWP Wang Text File

.IX Framemaker Index File

Top of Page

.J62 Ricoh Camera File

.JAR Java Archive File

.JAS Compressed Graphic

.JBC Jam Byte-Code Hex File (8051 Microprocessor File)

.JBD SigmaScan Data File

.JBF Paint Shop Pro Browser File

.JBX Project Scheduler File

.JFF JPEG Image

.JFI Image File

.JIF JPEG Image

.JIS Japanese

.JMP SAS JMPDiscovery Chart-to-statistics File

.JMS Voxtron TeleButler Graphical Voice Response Call Flow

.JN1 Epic MegaGames Jill of the Jungle Data File

.JNB Sigma Plot Workbook File

.JNK Junk (temporary file)

.JNL Ingres Journal File

.JOB Job File

Task Scheduler Task Object

QuestVision Vector Graphics File (IMG File Conversion)

.JOR MS SQL Server Journal File

.JPC Picture File (Japanese)

.JPE JPEG Image

.JPG JPEG Image [Viewer]

.JS JavaScript Source Code

.JSD eFAX Jet Suite Document

.JSL PaintShop Pro File

.JSP Java Server Page

.JT JT Fax

.JTF JPEG Tagged Interchange Format Image

.JTK Sun Java ToolKit File

.JW Justwrite Text

.JWL Justwrite Text File Library

.JZZ Jazz Spreadsheet

Top of Page

.K25 Kurzweil 2500 Sample

.KAR Karaoke MIDI File

.KB Borland C++ Keyboard Script

Knowledge Pro Source Code

.KBD Keyboard Script File Layout (various)

.KBI Keirsey-Bates Temperament Sorter Index

.KBM Reflection Keyboard Script File Layout

.KBP Keirsey-Bates Temperament Sorter Profile

.KBR Keirsey-Bates Temperament Sorter Data

.KCL Kyoto Common LISP Source Code

.KDC Kodak Photo-Enhancer [Viewer]

.KEX KEDIT Profile File

.KEY Keyboard Macros

Forecast Pro Datafile

Program Security or Registration File (various)

DataCAD Icon Toolbar File

.KFX KoFax Group 4 Image

.KIZ Kodak Digital Postcard File

.KKW RoboHELP Keyword Help project Index File

.KMP Korg Trinity KeyMaP File

.KNO Personal Knowbase File

.KPP SmartPad Toolpad

.KQP Konica Camera File

.KR1 Kurzweil 2000 Sample (multi-floppy)

.KRZ Kurzweil 2000 Sample

.KSC Korg Trinity Script

.KSE Keepsake Studio Export File

.KSF Korg Trinity Sample

.KSH Prodigy Internet Registration File

.KTT KeyText Data File

.KYB Keyboard Layout

.KYE Kye Game Data

Top of Page

.L LEX Program File

Link Instructions

LISP Program File

.LAB Mailing Labels

.LAT Crossword Express Lattice File

.LAY Applause Word Chart Layout

.LBG dBase IV Label Generator

.LBL Labels (various)

.LBM Deluxe Paint Bitmap Graphic [Viewer]

.LBO dBase IV Ordered Labels

.LBR Compressed Archive File

Lotus Screen Driver

Omnis7 Application File

.LBS Omnis Studio Application File

.LBT Foxpro Label Memo

.LBX Foxpro Label

.LCF Linker Control File

.LCK MS Frontpage-related File

Adobe Pagemaker Database File

.LCN WordPerfect Dictionary File

.LD Telix Long Distance Codes

.LD1 dBase Overlay File

.LDB MS Access Lock File

TrueVector Log Database

.LDF LuraDocument File [Viewer]

.LDL Corel Paradox Delivered Library

.LEG Legacy Graphic Format

.LES Learn Lesson File

Logitech Entertainment Game Profile

.LET Letter

.LEX Lexicon (dictionary file)

.LFT Chiwriter Laser Printer Font

3D Studio Loft File

.LGC Program Use Log File (for Windows Program Use Optimization)

.LGO MS Windows Logo Driver

.LGT Urban Chaos Game File

.LHA Compressed Archive File (LZH)

.LHS Literate Haskell Source File

.LHW Compressed Amiga Archive File

.LHZ LHA Compressed Archive File

.LIB Program Library (diverse programmers' languages)

.LIC License File (various Shareware)

.LIF Compressed Archive File

HP Logical Interchange Format File

.LIN AutoCAD Line Art

.LIS Program Listing

Structured Query Reporting (SQR) Output

.LIT MS Reader EBook File

.LJ Text File for HP LJ II Printer

.LLC LapLink Saved Connection File

.LLX Laplink Exchange Agent

.LM8 Picture File

.LMD Tune Smithy List of Modes for a Musical Scale

.LND 3D Landscape Data

.LNK Linker File

Windows Shortcut File

.LOG Log File (many different programs)

.LOK FileWrangler/ZipWrangler/SecurDesk! Encrypted Archive

.LP LP88 Linear Programming for the IBM-PC File

.LPB LP88 Linear Programming for the IBM-PC File

.LPD Helix Nuts and Bolts File

(Helix Software now part of McAfee)

.LRC Intel Video Phone File

.LRF Linker Response File

.LRS WordPerfect Language Resource File

.LSC Tune Smithy List of Muscial Scales

.LSF Streaming Audio/Video File

.LSL Corel Paradox Saved Library

.LSP LISP Program File

.LST Listing or List (e.g., packing list)

PowerPoint File

Ingres Dump List File

.LSX Streaming Audio/Video Shortcut

.LTR Letter

.LU ThoughtWing Library Unit File

.LVL Parallax Miner Descent/D2 Level Extension

.LWF LuraWave-compressed Graphic File [Viewer]

.LWP Lotus Wordpro 96/97 File

.LWV MS Linguistically Enhanced Sound File

.LYR DataCAD Layer File

.LYT TurboTax Log File

.LZH Compressed Archive File

.LZS Compressed Archive File

Skyroads Data File

.LZW Compressed Amiga Archive File

.LZX Compressed File

Top of Page

.M Matlab Function

Macro Source

Mathematica File

.M?? Ingres Modify Table/Index File (?? = Hex 00 to FF)

.M18 Accolade Golf Course File

.M1V MPEG File

.M3 ModuleA 3 Program File

.M3A MPEG Archive Enhanced .M3U Playlist File

.M3D 3D Animations Macro

Corel Motion 3D Animation

.M3U MPEG URL

.MA3 Harvard Macro (Harvard Graphics taken over by Serif)

.MAC MacPaint Bitmap Graphic

Macro (various)

.MAD MS Access Module Shortcut

.MAF MS Access Form Shortcut

.MAG Picture File

MS Access Diagram Shortcut

.MAI Mail

.MAK Make File (compiler project file)

.MAM MS Access Macro Shortcut

.MAN Manual

.MAP Image

Color Palette

Duke Nukem WAD File

Ingres Termcap Mapping File

Linker Map

Micrografx Format Data

.MAQ MS Access Query Shortcut

.MAR MS Access Report Shortcut

.MAS Focus Master Data Definition

MS Access Stored Procedures

Lotus Freelance Graphics Smartmaster File

.MAT Sound File

Matlab Variables Binary File

MS Access Table Shortcut

.MAV MS Access View Shortcut

.MAW MS Access Data Access Page

.MAX Kinetix's 3D Studio MAX Scene

Paperport File

OrCAD Layout File

.MAZ Hover Maze Data

Division's dVS/dVISE File

.MB Paradox Memo Holder

.MB1 Apogee Monster Bash Data File

.MBF MS Money Backup File

.MBK dBase IV Multiple Index Backup

.MBX Mailbox Message File (Outlook v1-4 or Eudora)

.MCC Mathcad Configuration

Dialer10 Calling Card

Monu-Cad Pro CAD File

.MCD Mathcad Document

Monu-Cad Pro CAD File

.MCF Mathcad Font

.MCI Media Control Interface Command Set

.MCL Multimedia Manager Collection File

.MCP Mathcad Printer Driver

.MCR DataCAD Keyboard Macro File

.MCS MathCAD Format File

.MCW Word for Macintosh Text File

.MCX Graphic File

.MD Compressed Archive File

.MDA MS Access Add-in

MS Access 2 Workgroup

.MDB MS Access Database

MS Access Application

.MDE MS Access Database File

.MDF Menu Definition File

.MDL Digitrakker Music Module

Quake Model File

.MDM Telix Modem Definition

.MDN MS Access Blank Database Template

.MDP MS Developer Studio Project

.MDT MS Access Add-in Data

.MDW MS Access Workgroup Information

.MDX dBase IV Multiple Index

.MDZ MS Access Wizard Template

.ME Information (e.g., READ.ME)

.MEB WordPerfect Macro Editor Bottom Overflow File

.MED WordPerfect Macro Editor Delete Save

OctaMED Tracker Module

.MEM WordPerfect Macro Editor Macro

Memory File of Variables

.MEN Menu

.MEQ WordPerfect Macro Editor Print Queue

.MER WordPerfect Macro Editor Resident Area

Data Interchange Format

.MES Message File

WordPerfect Macro Editor Work Space

.MET WordPerfect Macro Editor Top Overflow File

Presentation Manager Meta File

OmniPage Document

.MEU DOS Shell Menus

.MEX Matlab Executable Command

WordPerfect Macro Editor Expound File

.MF MetaFont Text File

.MFF MIDI File Format

.MGC MGCSoft Equation Editor File

.MGF Image File

Micrografx Font

Materials and Geometry Format File

.MGM MGCSoft Equation Editor Macro File

.MH Graphic File

.MHG Multimedia File

.MHT MS MHTML Document (Archived Web Page)

.MI Miscellaneous

.MIC MS Image Composer File

.MID MIDI File [Viewer]

.MIF MIDI Instrument

Adobe FrameMaker Interchange Format

.MIL Group 4 Fax File

.MIM Multi-Purpose Internet Mail Extensions (MIME) File [MIME]

.MIX Power C Object File

Multilayer Picture File (MS PhotoDraw 2000 & MS Picture It!)

Command & Conquer Movie/Sound File

.MK Make File

.MKE Make File

.MKI Picture File

.MLB Macro Library

.MLI Encyclopedia Media List

3D Studio's Material-Library File

.MLS Miles Sound Tools Compressed DLS

.MM Macro Mania Macro

.MMC Media Catalog

.MME Multi-Purpose Internet Mail Extensions (MIME) File [MIME]

.MMF Meal Master Format

MS Mail File

.MMM Animation MS Multimedia Movie

.MMP MindManager Player Play List File

.MMS Miles Sound Tools (Midi+DLS/MLS)

.MMZ MusicMatch Theme File

.MN2 Descent2 Mission File

.MND AutoCAD Menu Program File

MNI Mandelbrot for Windows

.MNG Animation Shop Animation

Multi-image Network Graphics

.MNT Foxpro Menu Memo

.MNU Menu File (various)

.MNW Menu File (various)

.MNX AutoCAD Compiled Menu File

Foxpro Menu

.MNY MS Money File

.MOB Device Definitions

.MOD Music File

ModuleA-2 Program File

Windows Kernel Module

Amiga and PC Tracker Module

MS Multiplan Spreadsheet

.MOV QuickTime Video Clip [Viewer]

Apple QuickTime Audio

.MOZ Netscape Temp File

.MP Multiplan File

.MP1 MPEG Audio Stream, Layer I

.MP2 MPEG Audio Stream, Layer II

.MP3 MPEG Audio Stream, Layer III [Viewer]

.MPA MPEG Audio Stream, Layer I, II or III

.MPC MS Project Calender

.MPD Mini Port Driver

.MPE MPEG Movie Clip

.MPG MPEG Animation [Viewer]

MPEG 1 System Stream

.MPJ RoboHTML Project

.MPM WordPerfect MathPlan Macro

.MPP MS Project File

CAD Drawing File

.MPQ Blizzard Game Data File

.MPR Foxpro Program

.MPS Multimedia File

.MPT MS Project Template File

.MPV MS Project View

.MPX Foxpro Compiler Menu

MS Project Export File

.MRB Multiple Resolution Bitmap Graphic

.MRI MRI Scan

.MRK Informative Graphics Markup File

.MRS WordPerfect Macro Resource File

.MS Checksum File for Anti-Virus

.MSA Magic Shadow Archive

.MSC Microsoft Common Console Document

.MSG Program Message

OzWin Message/Mail File

MS Mail Message

.MSH MASH (The Microsoft Agent Scripting Helper)

.MSI Windows Installer File

.MSK Autodesk Mask File

PaintShop Pro Mask File

.MSN MS Network Document

Descent Mission File

.MSP MS Paint Graphic File

Windows Installer Patch

.MST Minispecification

Windows SDK Setup Script

.MSW Word Text File

.MTH Derive Math File

.MTM Sound File

MultiTracker Music Module

.MTV Picture File

.MTW Minitab Data File

.MU Quattro Menu

.MUL Ultima Online Game

.MUP Music Publisher File

.MUS Audio File

.MVB Database

MS Multimedia Viewer File

.MVF Movie Stop Frame File

.MWP Lotus Wordpro 97 Smartmaster File

.MXT MS C

.MYS Myst Saved Game

.MZ MOZART Music Document

.MZT MOZART Template File

Top of Page

.NAN Nanoscope File

.NAP NAP Metafile Vector Image

.NAV MSN Application Extension

.NB Nota Bene Text File

.NCB MS Developer Studio File

.NCD Norton Change Directory

.NCF Netware Command File

Lotus Notes Internal Clipboard

.NDL Lotus Notes

.NDO 3D Low-polygon Modeler

.NDX Index (usually dBase compatible)

.NED MSN Application Extension

.NET Network Configuration

.NEW New Information (e.g., WHATS.NEW)

.NFF Image File

Neutral File Format

.NFO Folio Infobase

.NG Norton Guide Online Documentation

.NIL Norton Icon Library File

.NLB Oracle 7 Data

.NLM Netware Loadable Module

.NLS Code Page National Language Support

.NLU Norton Live Update E-Mail Trigger File

.NOL Nokia Operator Logo

.NOT Notes

.NOW Text File (e.g., README.NOW)

.NPM Nokia Picture Message

.NRG Norton Registration Entries

.NRT Nokia RingTone

.NS2 Lotus Notes 2 Database

.NS3 Lotus Notes

.NSF Lotus Notes Database

.NSG Lotus Notes

.NSH Lotus Notes

.NST Audio File

Noise Tracker Music Module

.NTF Lotus Notes Database Template

.NTS Norton Tutorial

.NTX Clipper Index

.NW NoteWorthy 2 File

.NWC Noteworthy Composer Song File

.NWS MS Outlook Express News File

.NXA ndxCards data files (added 2004-08-13)

.NXB ndxCards data files

.NXD ndxCards card decks

.NXP ndxCards project file

Top of Page

.O Object File (various)

.O$$ Output File (temporary usually)

.O01 Typhoon Voice File

.OAB MS Outlook Address Book

.OAZ OAZ Fax File

.OBD MS Office Binder

.OBJ Relocatable Object Code (various)

Lightwave Object

.OBZ MS Office Binder Wizard

.OCA Control Typelib Cache

.OCX Object Linking and Embedding (OLE) Control Extension

.OD1 Omnis5 Database File (also .OD2, .OD3, etc.)

.ODF Open Document Interchange

BattleZone Cartographers Guild File

.ODS MS Outlook Express Mailbox

.OFC Open Financial Connectivity File

.OFF Vector Graphic (Object File Format)

3D Mesh Object File Format

.OFM Adobe Font

.OFN MS Office FileNew File

.OFT MS Outlook Item Template

.OFX Open Financial Exchange File

.OKT Oktalyzer Tracker Module

.OLB Object Library

.OLD Old Version (sometimes used as a backup indicator)

.OLE Object Linking and Embedding (OLE) Object

.OLI Olivetti Text File

.OMF Image File

.OND Lotus Notes-related File (unverified)

.ONX Onyx Graphics Postershop File

.OPC Beta 44 Job File

.OPL Psion Organiser Programming Language Source File

.OPO OPL Output Executable File

.OPT QEMM Optimize

Options

MS Developer Studio File

.OPX MS Orgchart Organization Diagram

OPL Extension DLL

.OQY MS Excel OLAP Query File

.OR2 Lotus Organiser 2 File

.OR3 Lotus Organiser 97 File

.ORA Oracle 7 Configuration

.ORC MIDI File

Oracle 7 Script

.ORG Lotus Organiser File

.ORI Original

.OSS MS Office Search

.OST MS Exchange/Outlook Offline File

.OTL Super NoteTab Template File

.OUT Outlines or Output File (various)

.OUT Primavera Systems, Inc. project management software - Schedule report text files

(can be read in Textpad)

.OV1 Program File - Overlay

.OV2 Program File - Overlay

.OV3 Program File - Overlay

.OVL Program File - Overlay

.OVR Program File - Overlay

.OZM Sharp Organizer Memo Bank

.OZP Sharp Organizer Telephone Bank

Top of Page

.P PASCAL Program File

Applause Picture

.P10 Tektronix Plot 10 Drawing

Certificate Request

.P3 Primavera Systems, Inc. project management software - Primavera Project data files

(of various types)

.P65 Pagemaker 6.5 File

.P7C Digital ID File

.P7M PKCS #7 MIME Message (see Section 3.2 in RFC 2311 [MIME]

.P7R Certificate Request Response

.P7S PKCS #7 Signature

.PAB MS Personal Address Book

.PAC SB Studio II Package

.PAD Telemate Keypad Definition

.PAG Property Page File

.PAK Compressed Archive File

Quake WAD File

.PAL Color Palette

Adobe Pagemaker Library Palette

Compressed File

.PAN Chromeleon Control Panel

.PAR Fractint Parameter File

.PAS Pascal Source Code

.PAT AutoCAD Hatch Pattern

Patch

Corel Vector Pattern

Advanced Gravis Ultrasound

Forte Tech. Patch

.PBD PowerBuilder Dynamic Library

.PBF Turtle Beach Pinnacle Bank File

.PBK MS Phonebook

.PBL PowerBuilder Library

.PBM UNIX Portable Bitmap

.PBR PowerBuilder Resource

.PBI Profiler Binary Input

.PBM PBM Portable Bit Map Graphic [Viewer]

.PBO Profiler Binary Output

.PBT Profiler Binary Table

.PC PC-specific Text File

.PC3 Harvard Custom Palette

(Harvard Graphics taken over by Serif)

.PC5 Rockwell Software Logix 5 File

.PC8 ASCII Text IBM-8

.PCA PCAnywhere Registry Backup

.PCB Protel Technology Advanced PCB Design

.PCC Image File

.PCD Photo-CD Image [Viewer]

P-Code Compiled Test Scripts

.PCE Eudora Mailbox Name Map

.PCF Profiler Command File

.PCH Patch File

MS C PreCompiled Header

.PCK Turbo Pascal Pick File

.PCL HP-PCL Graphic Data File (HP Printer Control Language)

.PCM Sound File

OKI MSM6376 Synth Chip PCM Format

.PCP Symantec Live Update Pro

.PCS PICS Animation

.PCT Bitmap Graphic (Apple PICT Format Usually)

.PCW PC Write Text File

.PCX PC Paintbrush Bitmap Graphic [Viewer]

.PDB Palmpilot Database File

Pegasus DataBase

Tact File

QuickPOS Database File

.PDD Adobe PhotoDeluxe Image

.PDF Printer Description

Adobe Acrobat File

Netware Printer Definition File

MS Package Definition File (Inventory-related)

.PDG PrintShop Deluxe File

.PDI MS Powerpoint File

.PDQ Patton & Patton Flowcharting PDQ Lite File

.PDR Port or Printer Driver

.PDS PDS Graphic

Telsis HiCall Program File

.PDT ProCite Primary Database

.PDV Paintbrush Printer Driver

.PDX Paradox Files

ProCite Database Keys

Acrobat Catalog Index

.PEB WordPerfect Program Editor Bottom Overflow File

.PED WordPerfect Program Editor Delete Save

.PEM WordPerfect Program Editor Macro

.PEQ WordPerfect Program Editor Print Queue File

.PER WordPerfect Program Editor Resident Area

.PES WordPerfect Program Editor Work Space File

.PET WordPerfect Program Editor Top Overflow File

.PF Monitor or Printer Profile File

Aladdin Systems Private Files Encrypted File

.PFA Outline Font (ASCII)

.PFB Outline Font (Binary)

.PFC PF Component

.PFE Programmers File Editor

.PFK XTree Programmable Function Keys

.PFM Printer Font Metrics

.PFP Panorama Factory Project File

.PFR PaintShop Pro File

.PFT Chiwriter Printer Font

.PGL Graphics (Plotter)

.PGM Portable Graymap Graphic [Viewer]

Chromeleon Batch Program

.PGP Program Parameter

Pretty Good Privacy

.PGX Binary Property Page File

.PH PERL Header

MS Help Compiler Phrase Table

.PHD PC Help Desk File

.PHO Phone List

.PHP PHP Script

MS Picture It! Publishing Project File

.PHR NoExcuse Phrase Checker

.PIC PC Paint Bitmap Graphic

Lotus Picture

Macintosh PICT Drawing

.PIF Windows Program Information File

IBM PIF Drawing

.PIG Lucas Arts Dark Forces WAD File

.PIM PixMaker Project File

.PIN Pushpin Set

Epic Pinball Data File

.PIT Macintosh Compressed Archive File

.PIX PrintMaster Graphic File

Inset Systems Bitmap

.PJ MKS Source Integrity File

.PJL ProCite Term Lists and Journal Title Lists

.PJT Foxpro Project Memo

.PJX Foxpro Project

.PKA Compressed Archive File

.PKB QuickPOS (Point-Of-Sale) Keyboard Layout File

.PKG MS Developer Studio Application Extension

AppleLink Package Compression Format File

.PKO PublicKey Security Object

.PKR PGP Public Keyring

.PL Harvard Palette (Harvard Graphics taken over by Serif)

PERL Program File

.PL3 Harvard Chart Palette (Harvard Graphics taken over by Serif)

.PLB Foxpro Library

.PLB LogoShow Screensaver

.PLC Lotus Add-in

.PLD PLD2 Source File (program due out 1Q2001)

.PLG REND386/AVRIL File

.PLI Oracle 7 Data Description

.PLL Prelinked Library

.PLM DisorderTracker2 Module

.PLN WordPerfect Spreadsheet File

.PLS DisorderTracker2 Sample

WinAmp MPEG PlayList File

Shoutcast File

MYOB Data File

.PLT AutoCAD HPGL Vector Graphic Plotter File

Gerber Sign-making Software File

.PLY Autodesk Polygon

.PM PM Graphic or Perl Module

.PM3 PageMaker 3 Document

.PM4 PageMaker 4 Document

.PM5 PageMaker 5 Document

.PM6 PageMaker 6 Document

.PML NT4 Performance Monitor Log File

PADGen Program Information

.PN3 Harvard Printer Driver (Harvard Graphics taken over by Serif)

.PNG Public (Portable) Network Graphic

(proposed GIF replacement) [Viewer]

PaintShop Pro Browser

.PNM PBM Portable Any Map Graphic

.PNT MacPaint File

.POG Descent2 File

.POL Music File

AscToHTM Policy File

.POP dBase Popup Menu

.POS ProCite Output Styles

QuickPOS IIF File (see IIF above)

.POT PowerPoint Template

.POV Persistence of Vision Ray-tracer

.PP Compressed Archive File

.PP4 Picture Publisher

.PP5 Picture Publisher

.PPA PowerPoint Add-in

.PPB WordPerfect Print Preview Button Bar

.PPD PostScript Printer Description

.PPF Turtle Beach Pinnacle Program File

.PPL Harvard Polaroid Palette Plus ColorKey Driver

(Harvard Graphics taken over by Serif)

.PPM PBM Portable Pixelmap Graphic [Viewer]

.PPO Clipper Preprocessor Output

.PPP Serif PagePlus Publication

Parson Power Publisher

.PPS PowerPoint Slideshow

.PPT PowerPoint Presentation

.PPX Serif PagePlus Publication

.PQ Adobe Pagemaker Default Printer Style

.PQI Power Quest Drive Imaging Software

.PR2 Persuasion Presentation

.PR2 dBase IV Printer Driver

.PR3 dBase IV PostScript Printer Driver

.PRC Palmpilot Resource File

.PRD Printer Driver

.PRE Freelance Presentation

.PRF Preferences File (various)

dBase IV Printer Driver

Profiler Output

PICS Rules File

.PRG Program File (various)

OzWin Purged Messages File

WAVmaker Program

.PRJ Project File

3D Studio File

HitPlayer Advanced Playlist File

.PRM Parameter File

.PRN Printer Text File

DataCAD Windows Printer File

XYWrite Printer Driver

PostScript File

.PRO Profile

PROLOG Program File

.PRS Printer Resource File

WordPerfect Printer Resource Font File

dBase Procedure

Harvard File (Harvard Graphics taken over by Serif)

.PRT Printer Configuration

Printer-formatted File

Unigraphics Part File (CAD modeling data)

.PRV PsiMail Internet Provider Template

Previous Version (used for files that change)

.PRX Foxpro Compiler Program

.PRX Primavera Systems, Inc. project management software - Archive file of all packaged

project datafiles compressed for transfer to another user or for archival purposes.

.PRZ Freelance Graphics 97 File

.PS PostScript

.PSB Pinnacle Sound Bank

.PSD Photoshop Format [Viewer]

Apple Viewer File

.PSF Chiwriter PostScript Printer Font

.PSI PSION A-law Audio

.PSM Turbo Pascal Symbol Table

Protracker Studio Module Format

Epic Games Sound Data

.PSP PaintShop Pro Image [Viewer]

.PST Outlook Personal Folder File

.PSY PLD2 System File (program due out 1Q2001)

.PT3 Harvard Device Driver

(Harvard Graphics taken over by Serif)

.PT3 PageMaker Template

.PT4 PageMaker Template

.PT5 PageMaker Template

.PTM PolyTracker Music Module

.PUB PGP Public Key Ring

Ventura Publication

MS Publisher Document

.PUF Puffer Encrypted File

.PW Professional Write Text File

.PWA Password Agent File

.PWD Pocket Word Document

.PWF ProCite Workforms

.PWL Password List

.PWP Photoworks Image File

.PWZ PowerPoint Wizard

.PX Primary Index

.PX Paradox Primer Database Index

.PXL Pocket Excel Spreadsheet

.PY PYTHON Script

Yahoo Saved Messages

.PYC Compiler PYTHON Script

.PZD Pizazz Plus File

.PZO Pizazz Plus File

Top of Page

.Q9Q BladePro Graphic Plugin File

.QAD PF QuickArt Document

.QAG Norton Desktop Quick Access Group

.QBB QuickBooks for Windows Backup File

.QBD Keyboard Layout

.QBE Example Query (Query By Example)

.QBO dBase IV Ordered Query

.QBW QuickBooks for Windows File

.QCP Qualcomm PureVoice File

.QDI Dictionary

.QDK Quarterdeck QEMM File

.QDT Quicken Data

.QEF Excel Query

.QEP IRMA Wordstation for Windows

.QFL Family Lawyer Document

.QFX Quick Link Fax

.QIC Backup Set

.QIF Quicken Interchange Format

QuickTime Image

.QLB MS C Quick Library

.QLC PostScript Help File

.QM Quality Motion File

.QMT Quicken Memorized List

.QNT Chromeleon Quantification Method

.QNX Quicken Indexes

.QPR OS/2 Printer Queue Driver

Foxpro Relational Query

.QPX Foxpro Ordered Query

.QRP Centura Report Builder File

.QRS WordPerfect Equation Editor

.QRT QRT Ray Tracing Graphic

.QRY dBase IV Query

MS Query

.QSC Pxyl Visuals Chart

.QST Quake Spy Tab File

.QT Quicktime Video

.QTI QuickTime Image

.QTM QuickTime Movie

.QTP QuickTime Preferences

.QTS Macintosh PICT Image

QuickTime Image

.QTX QuickTime Image

.QUE Task Scheduler Queue Object

CuteFTP Queue File

.QW Q&A Write File

.QWB Quotes WriteBack Import File (MS Money)

.QXD QuarkExpress File

Top of Page

.R Pegasus Mail Resource File

.R?? RAR Compressed File (?? can be 01 to 99)

.R8 RAW Graphic File

.R8L LaserJet Landscape Font

.R8P LaserJet Portrait Font

.RA RealMedia File [Viewer]

.RAM RealMedia Metafile

.RAR RAR Compressed Archive

.RAS Sun Raster Graphic [Viewer]

.RAT Rating System File

.RAW RAW RGB 24-bit Graphic

Raw Signed PCM Data

.RAX Image File

.RB RocketEdition File

.RBF R:Base Data File

.RBH RoboHelp Configuration

.RC Borland C++ Resource Compiler Script File

.RD3 Ray Dream Designer Graphics

CorelDream 3D

.RD4 Ray Dream Designer Graphics

.RD5 Ray Dream Designer Graphics

.RDB TrueVector Rules Database

.RDF Resource Description Framework File

Chromeleon Report Definition

.RDL Descent Registered Level

.RDX Reflex Data File

.REC Sprint Record File

Windows Recorder Macro

RapidComm Voice File

.REF Cross Reference

.REG Registration Data

.REM Annotation (remark)

.REP Text Document

.REQ Request

.RES Resource File (various programs)

.REX REXX Program File

.REZ Resources

.RF Sun Raster Graphic

RealFlash Clip

.RFD RecogniFORM Form Definition

.RFG RFG Research System Database

.RFH RFG Household Database

.RFT Revisable Format Text

.RGB Picture File

.RI Lotus File

.RIA Alpharel Group IV Raster Graphics File

.RIC Ricoh Graphic File

.RIF Fractal Painter Bitmap

.RIP Remote Imaging Protocol

.RIX Colorix File

RIX Virtual Screen

.RL2 Descent2 Registered Level

.RLA Advanced Visualizer File

Wavefront Raster Image

.RLB Harvard Graphic File (Harvard Graphics taken over by Serif)

.RLC Image Systems CAD Overlay

.RLE Graphic (Run Length Encoded) [Viewer]

.RM RealMedia File

.RMD RegMaid Document

.RMF Rich Map Format (3D Games)

.RMI MIDI File [Viewer]

.RMK RMake Make File

.RMM RealPlayer File

.RND AutoCAD Rendering Slide

AutoShade Format

.RNL GTX Runlength Raster Graphics

.RNX RealPlayer File

.ROL Adlib Music

.ROV Rescue Rover Data

.RP RealPix Clip

.RPD Rapidfile Database

.RPM RedHat Package Manager (Linux)

RealMedia Player File

.RPT Report (various)

.RQY MS Excel OLE DB Query File

.RR Railroad Tycoon

.RRS Road Rash Save File

.RSB Rogue Spear Bitmap

.RSL PC Tools Resources Library

Borderland's Paradox 7 Report

Adobe Pagemaker File

.RSP Responce Text File

Rockwell Software Logix 5 File

.RT RealText Clip

.RTA RoboHelp Configuration

.RTF Rich Text Format

.RTK RoboHelp Configuration

.RTL Text File

.RTM Real Tracker Music Module

.RTP TurboTax Update File

.RTS RoboHelp Configuration

RealAudio RTSL Document

.RUL InstallShield

.RUN PC Tools Script Tools Program

.RV RealVideo Clip

.RVP Microsoft Scan Configuration File

.RX Reflex Database Driver

.RXD Reflex Database

.RXH Reflex Database Help File

.RXR Reflex Database Report

.RXS Reflex Database Screen Driver

Top of Page

.S Assembler Source Code

.S$$ Temporary Sort File

.S01 WordPerfect Distribution File

.S02 WordPerfect Distribution File

.S03 WordPerfect Distribution File

.S3I ScreamTracker v3 Instrument

.S3M ScreamTracker v3 Module

ScreamTracker v3 Sound File

.SAH SETI@Home Data File

.SAM AMI Pro Text File

Signed 8-bit Sample Data

.SAN The Curse of Monkey Island Movie File

.SAV Backup

Saved File

.SB Audio File

Raw Signed Byte (8-bit) Data

.SBK Emu SoundFont v1.x Bank Files

Creative Labs SB AWE 32

.SBL Shockwave Flash Object

.SBP Superbase DML Program

.SC Framework Screen Driver

Paradox Source Code

Ingres Embedded SQL/C Source File

.SC2 Sample Cell

II PC Instrument

Schedule+ File

SAS Catalog

.SC3 Harvard Screen Driver (Harvard Graphics taken over by Serif)

.SCC Text File

Stamp Collector's Girl Friday Catalog File

Source Safe File

.SCD Graphic (SCODL Scan Conversion Object Description Language)

Schedule+ File

TurboTax Schedule File

.SCE SoftCuisine Data Exchange File

.SCF Windows Explorer Command

.SCH Schedule+ File

EAGLE Schematic File

.SCI ScanVec Inspire File

.SCL SCALA Scale

.SCM SchematicMaker (Topanga Software) File

ScreenCam Movie

.SCN Compressed Screen format

TrueSpace2 Scene

.SCO High Score (various)

.SCP Script (various)

.SCR Faxview Fax

Screen Saver

Script

.SCT Foxpro Screen

PC Tools Script Tools

Scitex Continuous Tone Bitmap

SAS Catalog

Windows Script Component

Lotus Screen Capture Text

.SCV ScanVec CASmate File

.SCX Foxpro Screen

Image File

.SD Sound Designer I Audio

.SD2 Sound Designer II Flattened File

Sound Designer II Data Fork

SAS Database

.SDA StarOffice Drawing

SoftCuisine Data Archive

.SDC StarOffice Spreadsheet

.SDD StarOffice Presentation

.SDF Standard Data Format

Schedule Data File

System File Format

Autodesk MapGuide Spatial Data Files

.SDK Roland S-series Floppy Disk Image

Autosketch Drawing

.SDL SmartDraw Library

.SDN Shell Archive

.SDR SmartDraw Drawing

.SDS StarOffice Chart

Raw Midi Sample Dump Standard File

.SDT SmartDraw Template

.SDV Semicolon Divided Values File

.SDW StarOffice Text

Raw Signed DWord (32-bit) Data

Lotus WordPro Graphic

.SDX Midi Sample Dump Standard Files Compacted by SDX

.SEA Macintosh Compressed Archive File

.SEC Compressed Archive File

PGP Secret Key Ring

.SEG Compressed File Segment

.SEL PaintShop Pro Selection File

.SEP TIFF Bitmap Separation

.SEQ Animation File

Chromeleon Sequence List

.SES Digital Audio Editor File

.SET Driver Set

Image Settings

Backup File Set

Configuration (various)

.SEX Urban Chaos Game File

.SF Sound File

OS/2 WPS Attribute Storage

IRCAM SoundFile

.SF2 Emu SoundFont v2.0 File

Creative Labs Soundfont 2.0 Bank File

.SFD SoundStage Sound File Data

.SFI Ventura Printer Font

SoundStage Sound File Info

.SFL Ventura Printer Font

LaserJet Landscape Font

.SFP Ventura Printer Font

LaserJet Portrait Font

.SFR Sonic Foundry Sample Resource

.SFS StarOffice Frame

PCL 5 Scalable Font

.SFT Chiwriter Screen Font

.SFW Graphic File (Seattle Film Works) [Viewer]

.SFX Self-extracting Archive

.SGF Smart Game Format

.SGI Graphic File [Viewer]

.SGL StarOffice Master Document

.SH Archive File

.SH3 Harvard Presentation (Harvard Graphics taken over by Serif)

.SHB Corel Background File

Document Shortcut File

.SHG Hotspot Editor Hypergraphic

.SHK Macintosh Compressed Archive File

.SHM WordPerfect Shell Macro

.SHP 3D Studio Shapes File

3D Modeling File (various)

.SHR Archive File

.SHS Shell Scrap Object File

.SHW Corel Presentation

WordPerfect Slide Show

Show File

.SI SoftImage Image File

.SIG Signature File

.SIK Backup File

.SIM Simulation

.SIT Macintosh Compressed Archive File

.SIZ Oracle 7 Configuration

.SKA PGP Secret Keyring

.SKB QuickPOS (Point-Of-Sale) Standard Keyboard Layout File

.SKL Authorware Resource

.SKN FileWrangler/SecurDesk!/ImageForge Graphic Skin

eRocket eBook Skin

.SL S-Lang Program File

PACT's Save Layout

.SLB AutoCAD Slide Library

.SLC Telix Compiler SALT Script

.SLD AutoCAD Slide

.SLG Chromeleon Audit Trail

.SLK Data Exchange File (Symbolic Link)

.SLT Telix SALT Script Application

.SM Smalltalk Program File

.SM Samna Word Text File

.SM3 DataCAD Symbol File

.SMD StarOffice Mail

.SMF StarOffice Formula

.SMI RealPlay SMIL File

.SMK Smacker Compressed File

.SMM Ami Pro Macro

.SMP Sample or Samplevision Format

Ad Lib Gold Sample

.SND Sound Clip [Viewer]

Raw Unsigned PCM Data

AKAI MPC-series Sample

NeXT Sound

Macintosh Sound Resource

.SNG MIDI Song

.SNM Netscape Mail

.SNO SNOBOL Program File

.SNP Shapshot file (Snapview)

.SOU SB Studio II Sound

.SP Compressed Archive File

.SPC Multiplan Program

WordPerfect Temp File

SNES Audio file

.SPD Harvard Bitstream Typefaces

(Harvard Graphics taken over by Serif)

PostScript Printer

Mini-driver

Speech Data File

Speedo Scalable Font

.SPG Sprint Glossary

.SPL Compressed Archive File

Printer Spool File

Sprint Printer Driver

Sample File

Spell Checker

Digitrakker Sample

Shockwave Flash Object

.SPM WordPerfect File

.SPN WordPerfect Distribution File

.SPP Sprint Printer File

.SPR Sprint Document Letter

Foxpro Generated Screen Program

.SPS Sprint Screen Driver

.SPT SPITBOL Program File

.SPX Foxpro Compiler Screen Program

Screen Peace Extension

.SQB SyQuest Backup

.SQC Structured Query Language Common Code File [SQL]

.SQL Structured Query Language Data [SQL]

.SQR Structured Query Language Program File [SQL]

.SQZ Compressed Archive File

.SRC Sourcecode (various)

.SRF Sun Raster Graphic File

.SSD SAS Database

.SSF Enable Spreadsheet File

.SSI Installer/GD Software Setup Information

.SSM RealPlay Standard Streming Metafile

.SST Certificate Store

.ST SMALLTALK Program File

Atari ST Disk Image

.STA Eudora File

.STD State Transition Diagram Graphic

SureThing CD Labeler Document

.STF Compressed Archive File

Setup Information

Structured File

.STG PageKeeper Storage File

.STK Personal Stock Monitor File

.STL Certificate Trust List

CAD Software Solid Modeling/Prototyping File

.STM Sound File

State Transition Diagram Model

Scream Tracker v2 Module

SHTML File

.STP PageKeeper Packed Storage File

.STR dBase Structure List

DataPerfect Structure File

Sceensaver

Stream File (Playstation Discs)

.STS MS C Project Status Info

.STY Style Sheet

MS Interactive Music Control

LaTeX2e Style

.SUD Super Project Analyzer Data

.SUN Sun Raster Graphic File

.SUP WordPerfect Supplemental Dictionary

Super Porject Analyzer Project

.SVD Word Backup File

.SVG Word Backup File

Scalable Vector Graphics File

.SVS Word Backup File

.SVX Interchange File Format, 8SVX/16SV

Amiga 8SVX Sound

.SW Audio File

Raw Signed Word (16-bit) Data

.SWA Shockwave Audio File

.SWD Storybook File (educational)

.SWF Macromedia Flash Format [Alternate] [Viewer]

.SWI Swish Data File

.SWL Macromedia Flash Format [Alternate]

.SWP Sprint Backup File

Swap File

.SWT VB Setup Wizard Template File

Space Watch Pro Data File

.SY3 Harvard Symbol File (Harvard Graphics taken over by Serif)

.SYD Sysedit Backup File

.SYL SYLK Spreadsheet Format

.SYM Symbol Table (various)

.SYN Synonym File

.SYS System Configuration

System Device Driver

.SYW Harvard Symbol Graphic (Harvard Graphics taken over by Serif)

Yamaha SY-series Wave Files

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.T?? Ingres Table/Index File (?? = Hex 00 to FF)

.T2T Sonata CAD Modelling File

.TAB Guitar Tablature File

.TAG Dataflex Query Tag Name

.TAH Turbo Assembler Help File

.TAL Adobe TypeAlign Text Illustration File

.TAR Compressed Archive File

.TAX Turbotax File

.TAZ TAR.Z Compressed File

.TB1 Turbo C Font

.TB2 Turbo C Font

.TBK Memo Backup (database programs)

Asymetrix Toolbook

.TBL Adobe Pagemaker Import Mapping Table

.TC Borland Configurations File

.TCH Borland Help File

.TCL TCL/TK Language Script

.TD Turbo Debugger Configurations File

.TDB Thumbs Plus Database

.TDF Trace Definition File

Typeface Definition File (for fonts)

.TDH Turbo Debugger Help File

.TDK Turbo Debugger Keyboard Record

.TDO Compressed File

.TDP Serif DrawPlus Thumbnail

.TDS Turbo Debugger Symbol Table

.TEM Icon Author Template

Turbo Editor Macro Language

.TEX TeX

LaTeX File

Texture File

.TF Turbo Profiler Configuration File

.TFA Turbo Profiler Area File

.TFH Turbo Profiler Help File

.TFM Tagged Font Metric

.TFS Turbo Profiler Statistic

.TG4 CCITT Group 4 Fax

.TGA Truevision Targa Graphic [Viewer]

.TGZ UNIX Tar File Zipped

.THB Bitmap Graphic

.THD Thread

.THM MS Clipart Gallery Database

Serif DrawPlus Theme

.THN Graphics Workshop for Windows Thumbnail

.THP TurboTax-related File

.THS WordPerfect Thesaurus

.TIF Tagged Image Format File [Viewer]

.TIG Tiger Government Map File

.TLB Remote Automation Truelib Files

OLE Type Library

.TLD Trellix File

.TLE NASA Two-Line Element Set

.TLT Trellix Web Design File

.TLX Telex

Trellix Data File

.TMF WordPerfect Tagged Font Metric File

.TMO Zortech C++ Global Optimizer Output File

.TMP Temporary File

.TMS Telemate Script

.TOC Eudora Table Of Contents

.TOL Kodak Photoenhancer

.TP Turbo Pascal Configuration File

.TP3 Harvard Template (Harvard Graphics taken over by Serif)

.TPH Turbo Pascal Help File

.TPL Turbo Pascal Resident Units

Harvard Template (Harvard Graphics taken over by Serif)

fKey Template Designer Template File

CakeWalk Audio Template File

DataCAD Template File

.TPP Turbo Pascal Protected Mode Units

Teleport Pro Project

TypePlus File

.TPU Turbo Pascal Unit

.TPW Turbo Pascal Unit

.TRE PC Tools Directory Tree

.TRK Kermit Script File

.TRM Terminal Settings (various)

.TRN Quattro Translation

Adobe Pagemaker File

MKS Source Integrity Project Log

.TRP Tripmaker File

.TS Tune Smithy File

.TSP Windows Telephony Service Provider

.TST WordPerfect Printer Test File

Test File

.TTC TrueType Compressed Font

.TTF TrueType Font

.TTK Corel Catalyst Translation Tool Kit

.TTL Tera Term Macro File

.TUB PaintShop Pro Tube File

.TUT Tutorial

.TWF TabWorks File

.TWW Tagwrite Template

.TX8 DOS Text File

.TXB Descent/D2 Encoded Briefing File

.TXC Urban Chaos Game File

.TXT Text File

.TXW Yamaha TX16W Wave Files

.TXX DataPerfect Text Storage

.TYM PageMaker Time Stamp

.TZ Compressed File

Ingres Time Zone File

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.U96 EasyZip Temporary File

.UAP User Agent Wireless Telephony Profile

.UB Audio File

Raw Unsigned Byte (8-bit) Data

.UC2 Compressed File

.UCM Urban Chaos Game File

.UCN Compressed Archive

.UDF WindowsNT Uniqueness Database File

Photostyler Image Filter

.UDL MS Data Link

.UDW Raw Unsigned DoubleWord (32-bit) Data

.UE2 Encrypted Archive

.UFO Ulead Object File

.UG Drawing File (various)

.UHS Universal Hint System File

.UI User Interface

Geoworks UI Compiler Espire Source

.UIF WordPerfect Long Prompts

.UIH Geoworks UI Compiler Espire Header

.UL uLAW Audio File

.ULD Procomm Uploaded Files

.ULS Internet Location Service

.ULT UltraTracker Music Module

.UMB MemMaker Backup Archive

.UNI MikMod (UniMod) Format

Forcast Pro Data File

.UNX Text File (usually UNIX)

.UPD dBase Update File

Universal Print Driver (cross-platform)

Updated Program Data (various)

.UPI ULead Photo Impact Program File

.UPO dBase Compiled Update File

.UPX ULead Photo Express Saved Image File

.URF Radar ViewPoint Universal Radar Format

.URL Internet Location

.USE MKS Source Integrity File

.USL LaserJet Landscape Font

.USP PageMaker Printer Font

LaserJet Portrait Font

.USR User Database (various)

.UTL Sound File

.UTP BinPatch Patch Data File

.UU Compressed Archive File (UUENCODE)

.UUD Uudecoded

.UUE Uuencoded

.UW Audio File

Raw Unsigned Word (16-bit) Data

Unitype GlobalWriter File

.UWF UltraTracker Wave File

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.V8 Covox 8-bit Audio

.VAL Validity Checks

dBase Values

.VAP Annotated Speech

.VAR Icon Author Variable

.VBA VBase File

.VBG Visual Basic Group Project

.VBL User Control Licensing File

.VBP Visual Basic Project

.VBR Remote Automation Registration Files

.VBS VBScript Script File

.VBW Visual Basic Project Workplace

.VBX Visual Basic Extension

.VBZ Wizard Launch File

.VC VisiCalc Spreadsheet File

.VCE Natural MicroSystems Voice File

.VCF vCard File

Vevi Configuration File

.VCS vCalendar File (Outlook)

.VCT FoxPro Class Library

.VCX FoxPro Class Library

Spreadsheet File

.VDA Targa Bitmap

.VDO VDOScript File

.VEW Clipper Viewfile

.VGA VGA Screen Driver

Targa Bitmap

.VGR Ventura Graphic

.VI Virtual Instrument LabView File

.VIB Chemsoft® Export/Import MSDS Data

.VIC Vicar Picture File

.VID Monitor Control File

Screen Driver

.VIK Viking Picture File

.VIR Virus Infected File (renamed by Symantec Anti-Virus)

.VIS Picture File

.VIV VivoActive Player Video File

.VIZ Division dVS/dVISE File

.VLB Corel Ventura Library

.VMF Ventura Font Characteristics

FaxWorks Audio File

.VOB DVD Video Movie File

.VOC Quartet Audio File

Creative Labs Sound

.VOX Vox Audio

Dialogic ADPCM

Talking Technology Inc. File

Natural MicroSystmes Voice File

.VP Ventura Publisher File

.VQE Yamaha Sound-VQ Locator File

.VQF Yamaha Sound-VQ File

.VQL Yamaha Sound-VQ Locator File

.VRF Oracle 7 Configuration File

.VRS WordPerfect Graphics Driver

.VS2 Roland-Bass Transfer File

.VSD Visio Drawing

.VSL GetRight Download List File

.VSS Visio Stencil

.VST Visio Template

Truevision Vista Graphic

Targa Bitmap

.VSW Visio Workspace File

.VUE dBase or Foxpro View

.VVF ViVerify Fingerprint

.VVR ViVerify Repair

.VW Volkswriter Text File

.VWF CADvance Drawing File

.VWR PC Tools File Viewer

.VXD Virtual Device Driver

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.W Applause Word Chart

.W30 Ventura Printer Font

.W40 Win95 Backup File

.WAB Outlook File

.WAD Doom Game File

.WAL WalMaster Showlist File

Quake 2 Texture File

.WAV Waveform Audio (PCM Wave) [Viewer]

.WB1 QuattroPro for Windows

.WB2 QuattroPro for Windows

.WBF Windows Batch File

.WBK Word Backup

WordPerfect Workbook

.WBL Argo WebLoad II Upload File

.WBR Crick WordBar File

.WBS WebExpress Website File

.WBT WinBatch Script

Crick Wordbar Template

.WCD WordPerfect Macro Token List

.WCM Works File Transmission

WordPerfect Macro

.WD2 WordExpress Document

.WDB Works Database

.WDK WhizFolder Desktop File

.WEB Web Vector Graphic File

Corel Xara Web Document

.WFB Turtle Beach WaveFront Bank

.WFD Turtle Beach WaveFront Drum Set

.WFN Corel Symbols and Fonts

.WFP Turtle Beach WaveFront Program

.WFX Winfax Data File

.WGP Wild Board Games File

.WHT MS NetMeeting Old Whiteboard Document

.WID Ventura Width Table

.WIF Weaving Information Format

Wavelet Image File

.WIL Windows Interface Language Script

WinImage File

.WIN dBase or Foxpro Window

Windows Backup File

.WIZ Wizard File [MS Publisher and Word]

.WK1 Lotus Spreadsheet File

.WK3 Lotus Spreadsheet File

.WK4 Lotus Spreadsheet File

.WKB WordPerfect Document

.WKB Workbook

.WKE Lotus Educational Version Spreadsheet File

.WKQ Quattro Spreadsheet

.WKS Lotus Spreadsheet File

XLISP Workspace

Works Document

.WKZ Compressed Spreadsheet

.WLD REND386/AVRIL File

.WLF Argo WebLoad I Upload File

.WLG Dr. Watson Log

.WLL Word Add-in

.WLR VRML Page

.WLS 602 pro PC SUITE Worksheet File

.WMA Windows Media File

.WMC WordPerfect Macro

Wordmarc Text File

.WMF Windows Metafile [Viewer]

.WN Write Now Text File

.WNF Corel Outline Font

.WOA Windows Swap File

.WOW Grave Composer Music Module

.WP WordPerfect Document File

.WP4 WordPerfect Document File

.WP5 WordPerfect Document File

.WP6 WordPerfect Document File

.WPD WordPerfect Screen Driver or Document

602 pro PC SUITE Document File

.WPF WordPerfect Text File

Enable Document

.WPG WordPerfect/Drawperfect Graphics

.WPK Keyboard

WordPerfect Macros

.WPM WordPerfect Macro

.WPS Works Text Document

.WPT WordPerfect Template

602 pro PC SUITE Template Document File

.WPW PerfectWorks Document

.WQ! Quattro Pro Compressed Spreadsheet

.WQ1 Quattro Pro Spreadsheet

.WQ2 Quattro Pro Spreadsheet

.WR1 Symphony Spreadsheet File

.WRD Charisma Template

.WR1 Symphony Document

.WRI Write Document

.WRK Spreadsheet File

Cakewalk Music Project File

.WRL Plain Text VRML File [VRML]

.WRP Amiga Compressed Archive File

.WRS WordPerfect Windows Printer Driver

.WRZ GNUZIP Compressed VRML File [VRML]

.WS WordStar Document

.WS1 WordStar for Windows 1 Document

.WS2 WordStar for Windows 2 Document

.WS3 WordStar for Windows 3 Document

.WS4 WordStar for Windows 4 Document

.WS5 WordStar for Windows 5 Document

.WS6 WordStar for Windows 6 Document

.WS7 WordStar for Windows 7 Document

.WSC Windows Script Component

.WSD WordStar Data File

.WSE Wise File

.WSH Windows Script Host Settings File

.WSP Chromeleon Wordspace

.WSQ Wavelet-packet Scalar Quantization

.WST WordStar Text File

.WT2 WordExpress Document Template

.WVL Wavelet Compressed Bitmap

.WWL Word Add-in File

.WZD Sharp Organizer Program or Data File

.WZN WhizFolder Document

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.X LEX Program File

AVS Image

.X01 Paradox Secondary Index (can be 01 to 09)

.X16 Macromedia Program Extension (16-bit)

.X32 Macromedia Program Extension (32-bit)

.X5 Rockwell Software Logix 5 File

.XA Extended Architecture File

File on PSX Disc

.XAB Xenis Mail Address Book

.XAR Corel Xara Drawing

.XBM X Bitmap Graphic [Viewer]

.XFN Ventura Printer Font

.XFT Chiwriter 24 Pin Printer Font

.XFX Fax File (various)

.XI Fast Tracker 2 Instrument

ScreamTracker Instrument File

.XIF Wang Image File

Xerox Image File

.XLA Excel Add-in

.XLB Excel File

.XLC Excel Chart

.XLD Excel Dialog

.XLG Xnetech Engraving Logo File

.XLK Excel Backup

.XLL Excel Add-in (Dynamic Link Library)

.XLM Excel Macro

.XLS Excel Worksheet

.XLT Excel Template

Lotus Translation Table

.XLV Excel VBA

.XLW Excel Workspace

.XM Sound File

Fast Tracker 2 Extended Module

.XML Extensible Markup Language File [XML]

.XNK Exchange Shortcut

.XOT Xnetech Job Output File

.XPM X Picsmap Graphic [Viewer]

.XQT SuperCalc Macro Sheet

.XRF Cross Reference

.XR1 Epic MegaGames Xargon File

.XSL XML Stylesheet [XML]

.XSM LEXIS-NEXIS Tracker

.XT* Crosstalk Related File

.XWD X Windows Dump

Crossdown Puzzle File

.XWF Yamaha XG Works File

.XXE Xxencoded File

.XY XYWrite Text File

.XY3 XYWrite Text File

.XY4 XYWrite IV Document

.XYP XYWrite III Plus Document

.XYW XYWrite Windows 4.0 Document

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.Y Amiga Yabba Compressed Archive File

Yaac Grammar File

.Y01 Paradox Secondary Index (can be 01 to 09)

.YAL Arts & Letters Clipart

.YBK Encarta Yearbook

.YUV Color Space Pixel Format

.YZ Yac Compressed Archive File

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.Z Compressed Archive File

.Z3 Infocom Game Module

.ZAP FileWrangler Compressed File (only used in beta)

MS Windows Software Installation Settings

.ZC Zipkey Configuration File

.ZDG ZView Compressed Document

.ZER Zerberus File

.ZFS C++ Assembly Source

.ZGM ZenoGraphics File

.ZIP Compressed Archive File

.ZOM Amiga Compressed Archive File

.ZOO Compressed Archive File

.ZVD ZyXEL Voice File

.ZW Chinese