| asl | Adobe Photoshop Layer Style |
| ast | ASTree Program |
| asv | Adobe Photoshop Selective Color |
| atf | Adobe Photoshop Transfer Functions |
| automaticdestinations-ms | Windows Jump List |
| ava | Adobe Photoshop Variations File |
| avastlic | Avast! License |
| avastvpn | Avast SecureLine VPN License Data |
| avgdx | AVG Diagnostics |
| avh | Pioneer AVH Firmware Update |
| awc | Emulex AWC Firmware Update |
| axx | AxCrypt Encrypted File |
| backup | Backup Copy File |
| bak | Backup Copy File |
| bash_profile | Bash Interactive Login Shell |
| bcs | Sonic Foundry Batch Converter Script |
| 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 |
| bio | General BIOS File |
| bj | Sound Forge Batch Job |
| bk | Backup Copy File |
| blg | Windows Binary Performance Log |
| blj | Sagem Fast 3202 Firmware |
| blr | Sagem Fast 3202 Firmware |
| bms | Binary MultiEx Script |
| bnc | Bojanov Encryptor File |
