That, my good freind, would be .pdf, hence the Portable Document File
* The file extension of a Word document is .doc * The file extension of an Excel speadsheet is .xls
Portable Document FormatPDF is a file format within Adobe Acrobat. Any file with an extension of .pdf can be opened with Adobe Acrobat.
Portable Document File
.doc or .docx
the Microsoft word files are called document
For most typical Word documents the extension is .docFor Excel workbooks (spreadsheets) the extension is .xlsIn general the file extension is the 3 letter/number "code" after the period in the complete file name that gives a hint as to what type of file it is. For example, in the file name resume.docthe word resume is the file's actual name and the .doc tells you that it is a document file.
.doc
.DOCX
.doc
The most common extension would be the .pdf, which means portable document format.
A computer file with the ending .pdf - you open it with adobe reader or adobe acrobat. The file can contain a document or pictures
"Docx" is the default file extension for Word 2013 edition.