List of File Extensions - By Categories

There are many different file extensions and file types used with computers, and you'll find an entire list on our computer files and file extensions page. It is impossible to remember all file extensions and their associated software programs. Below is the list of file extensions, broken into categories by sort of files.

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Recently updated list of file extensions

Here we have the top 10 file types and file extensions recently updated.

File Extension File Type Free Apps
.12M Lotus 1-2-3 SmartMaster File Free 12M Tools
.WKQ Quattro Pro for DOS Spreadsheet File Free WKQ Tools
.AWS AutoCAD Work Space File Free AWS Tools
.MAR Mozilla Archive Free MAR Tools
.OGW Origin Workbook File Free OGW Tools
.NCSS NCSS Dataset File Free NCSS Tools
.HCDT Thinkfree Office NEO Cell Template Free HCDT Tools
.TMVT TimeMap Template Free TMVT Tools
.DFG Data Flask Grid File Free DFG Tools
.WKI Lotus 2 Worksheet Free WKI Tools

List of File Extensions - By Alphabetically

It is impossible to remember all file types and their associated software programs, so below is the list of file extensions, broken into alphabetically, file type and file extension name starts with character (# list is for any file type starts with number or special characters - ASCII code).

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