| .0xe |
F-Secure Renamed Virus File |
| .73k |
TI-73 Application |
| .89k |
TI-89 Application |
| .8ck |
TI-84 Plus C Silver Edition Application File |
| .app |
Mac OS X Application |
| .apk |
Android Package File |
| .ahk |
AutoHotkey Script |
| .a6p |
Authorware 6 Program |
| .ac |
Autoconf Script |
| .acr |
Audio Comparer Results File |
| .applescript |
AppleScript Programming Language File |
| .acc |
Graphics Accounts Data File |
| .air |
Adobe AIR Installation Package |
| .action |
Automator Action |
| .azw2 |
Kindle Active Content App File |
| .a7r |
Authorware 7 Runtime File |
| .actc |
Action(s) Collection File |
| .actm |
AutoCAD Action Macro File |
| .asb |
Alphacam Stone VB Macro File |
| .arscript |
ArtRage Script |
| .bat |
DOS Batch File |
| .bin |
Sega Genesis Game ROM |
| .btm |
BizTalk Map File |
| .beam |
Compiled Erlang File |