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
.TK Tk Script Free TK Tools
.T Turing Source Code File Free T Tools
.GITATTRIBUTES Git Attributes File Free GITATTRIBUTES Tools
.FTL FreeMarker Template File Free FTL Tools
.AS3PROJ FlashDevelop ActionScript 3 Project File Free AS3PROJ Tools
.NK NUKE Script Free NK Tools
.DIFF Patch File Free DIFF Tools
.REXX Rexx Source File Free REXX Tools
.CSX Visual C# Script Free CSX Tools
.RUL InstallShield Rules File Free RUL 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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