| .brtex |
Wii BRTEX Texture File |
| .brushlibrary |
Painter Brush Library |
| .brushcategory |
Painter Brush Category File |
| .brushvariant |
Painter Brush Variant File |
| .bmq |
Re-Volt Mipmap File |
| .bphys |
Blender Cache File |
| .bw |
Black and White SGI Image File |
| .brr |
SNES Sample File |
| .bc5b |
Ransomware Encrypted File |
| .bpj |
Boxsim Simulation Project |
| .bcstm |
BCSTM Audio Stream File |
| .bul |
I4 Bullseye Data File |
| .bluebutton |
VA Blue Button Data File |
| .bsw |
StruWalker 3D Model |
| .bswx |
BIMReview 3D Model |
| .b6z |
B6Z Archive |
| .brv |
Brick Rigs Vehicle File |
| .bfstm |
BFSTM Audio Stream File |
| .binary |
PC Building Simulator Save File |
| .bac |
Backup File |
| .buf |
Buffer File |
| .btif |
NationsBank Check Image File |
| .blu |
FileMaker Pro Runtime Extension |
| .bzip2 |
Bzip2 Compressed Archive |