| .bkup |
Backup File |
| .bdt2 |
BEEDOCS Timeline 3D 2 Document |
| .bmx |
Siemens Mobile Animations File |
| .bti |
Nintendo Texture File |
| .bpnueb |
PNU eBook File |
| .bcs |
Batch Compiler Specification File |
| .bpf |
Baan ERP Document |
| .bpr |
Borland C++Builder Project File |
| .bt |
Binary Terrain File |
| .bvr |
Blue Iris Video |
| .bwg |
BrainWave Generator Audio File |
| .brmdl |
Wii BRMDL Model File |
| .brsar |
Wii BRSAR Audio Archive |
| .baserproj |
DNA Baser Project File |
| .basex |
BaseX Data File |
| .bt! |
BitSpirit Incomplete Download File |
| .bfm |
Terminal Reality Model File |
| .bb3 |
BlasterBall 3 Level File Support |
| .bli |
Thomson Speedtouch Firmware File |
| .bud |
Binary Printer Description File |
| .bytes |
Binary Text Asset Data File |
| .bu |
Samsung CCTV Video File |
| .bak2 |
Backup File |
| .bak3 |
Backup File |