As far as I know, it is .PUB up through MS Publisher 2013.
On future versions, it is posible that it will become .PUBX
.ms pub
It is a Microsoft Publisher file.
Microsoft publisher
*.msi is the extension for the Microsoft installer package.
A Microsoft Word file has a .doc extension.
The Microsoft video file format uses an extension of .mpg. AnswerSelected Answer: False
The file extension for Microsoft Access 2007 is '.accdb'.
The extension for excel is .xls
You can save a publisher document as a word document. Click on file/save as and from the dropdown box choose .doc
The ".pub" file extension is associated with the "Publisher" application included in recent versions of Microsoft Office. Once a *.pub file has been opened in publisher, it can be re-saved as a web page or other format using the "Save As" command and selecting the desired format under the "Save as type:" drop down menu.
A .ppt file is a file to be used in the Microsoft PowerPoint software.
It's a spreadsheet file made in Microsoft Works
".doc" in versions of Microsoft Word before 2007".docx" in Microsoft Word 2007 and later..docMS word