| aqq | AQQ Plug-in |
| aria2 | aria2 Control Data |
| artask | BMC Remedy User Tool Shortcut |
| asd | Lotus 1-2-3 Screen Driver |
| asl | Adobe Photoshop Layer Style |
| assistant | HP Printer Utility for Mac Assistant Plugin |
| ast | ASTree Program |
| asv | Adobe Photoshop Selective Color |
| atf | Adobe Photoshop Transfer Functions |
| automaticdestinations-ms | Windows Jump List |
| ava | Adobe Photoshop Variations File |
| avastvpn | Avast SecureLine VPN License Data |
| avh | Pioneer AVH Firmware Update |
| awc | Emulex AWC Firmware Update |
| axx | AxCrypt Encrypted File |
| backup | Backup Copy File |
| bak | Backup Copy File |
| bcf | MapTek Vulcan Script |
| bcs | Sonic Foundry Batch Converter Script |
| bdd | BRender Device Driver |
| bea | BEA WebLogic Platform License |
| beb | EEC Analyzer Data |
| bem | Babel Enterprise Module |
| bfe | Bcrypt Encrypted Data |
| bfu | Brute Force Uninstaller Script |
| bi2 | WD TV Live Firmware |
| bin | PCSX BIOS Image |
| bin2 | Huawei HG556a Software Update |
| bio | General BIOS File |
| bj | Sound Forge Batch Job |
