| .amv |
Actions Media Video File |
| .awg |
Activeworlds Object Group File |
| .ab1 |
DNA Electropherogram File |
| .abi |
DNA Chromatogram File |
| .acr |
Audio Comparer Results File |
| .agi |
Asterisk Gateway Interface File |
| .agp |
ArtGem Project File |
| .anm |
3D Animation File |
| .abcd |
AudioVisual Book Data File |
| .ahs |
Adobe Halftone Screen File |
| .ads |
Ada Specification File |
| .ap |
Active Page |
| .arch00 |
F.E.A.R. Game Archive |
| .aup |
Audacity Project File |
| .adz |
Compressed Amiga Disk File |
| .ast |
ClarisWorks Assistant File |
| .aro |
SteelArrow Web Application File |
| .a2m |
TS-AudioToMIDI Settings File |
| .aim |
AIMMS ASCII Model File |
| .ard |
ArtiosCAD Workspace File |
| .apa |
RSView Development Project Archive |
| .acc |
Graphics Accounts Data File |
| .apng |
Animated Portable Network Graphic |
| .air |
Adobe AIR Installation Package |