| .3ds |
3D Studio Scene |
| .001 |
Split Archive File |
| .0 |
Shared Library Link File |
| .68k |
SEGA Mega Drive & Genesis Classics ROM File |
| .3dsx |
Homebrew Launcher File |
| .32x |
Sega 32X ROM |
| .3dz |
Nintendo 3DS ROM |
| .555 |
Black & White Weather Settings File |
| .8ld |
Overlord 2 Language File |
| .00 |
The Ur-Quan Masters Saved Game Slot 0 File |
| .ai |
Adobe Illustrator File |
| .adt |
ACT! Document Template |
| .arc |
Norton Backup Archive |
| .abk |
Automatic Backup File |
| .ar |
Midtown Madness Data File |
| .age3sav |
Age of Empires 3 Save File |
| .arch00 |
F.E.A.R. Game Archive |
| .air |
Adobe AIR Installation Package |
| .am1 |
Adventure Maker |
| .aao |
America's Army Map File |
| .age3scn |
Age of Empires 3 Scenario File |
| .atm |
Vue Atmospheres File |
| .ass |
Aegisub Advanced Substation Alpha File |
| .ain |
Source Engine Compiled AI Nodegraph File |