| .accde |
Access Execute Only Database |
| .accdr |
Access Runtime Application |
| .accda |
Access Add-in File |
| .accdc |
Microsoft Access Signed Package |
| .asec |
Android Secure Application File |
| .apnx |
Amazon Page Number Index File |
| .autoplay |
AutoPlay Media Studio Project File |
| .anim |
Maya Animation File |
| .aff |
Spellcheck Dictionary Description File |
| .alp |
Ableton Live Pack File |
| .alc |
Ableton Live Clip File |
| .acf |
Steam Application Cache File |
| .aww |
Ability Write Document |
| .aws |
AutoCAD Work Space File |
| .apx |
Ability Photopaint Studio Image |
| .animset |
FaceFX Animation Set File |
| .avery |
Avery Design & Print Label File |
| .ab |
Android ADB Backup File |
| .arp |
Advanced RAR Password Recovery Setup |
| .amc |
Ant Movie Catalog File |
| .aml |
ACPI Machine Language File |
| .aoi |
Art of Illusion 3D Scene |
| .ari |
ARRIRAW Image |
| .ars |
After Effects Render Settings File |