| .bvd |
Bitdefender Vault File |
| .bio |
BIOS File |
| .bss |
Resident Evil Background Images File |
| .bay |
Casio RAW Image |
| .bbcd |
BobCAD-CAM Document |
| .bcl |
Illumina Base Call File |
| .bpn |
ArchiCAD Project Backup File |
| .bpd |
Business Plan Pro Document |
| .bpm |
Bizagi Process Modeler |
| .bqy |
Brio Query File |
| .btd |
Business-in-a-Box Document |
| .bxl |
Accelerated Designs PCB Library File |
| .bkz |
FileFort Backup File |
| .brres |
Wii BRRES Resource Package |
| .bionix |
BioniX Wallpaper Playlist File |
| .backup |
Android Backup File |
| .bejeweled2deluxesavedgame |
Bejeweled 2 Deluxe Saved Game |
| .blackhawkstriker2 |
Blackhawk Striker 2 Saved Game |
| .blasterball3savedgame |
BlasterBall 3 Saved Game |
| .bookwormdeluxesavedgame |
Bookworm Deluxe Saved Game |
| .bndl |
Game Data Bundle File |
| .bluej |
BlueJ Package File |
| .bpmc |
Bizagi Process Modeler Collaboration |
| .bakx |
Finale Backup File |