| bvl | Micrografx Picture Publisher 8 Texture |
| bvm | Battery Validation Manager Data |
| bvn | Hundegger CNC Machining Format Data |
| bvs | SmartWare Standard View Backup |
| bvt | VampirTrace Data |
| bvw | SmartWare Custom View Backup File |
| bvx | OptiTune Installation Package |
| bvxd | OptiTune Installation Manifest |
| bvy | Breevy Text Snippet |
| bw1 | Byteworx FMEA Database |
| bwc | BeadWizard Color Palette |
| bweb | Bacula-Web Data |
| bwm | Blaise Cati Menu Definition |
| bwr | Kermit Beware Data |
| bws | Website X5 Project Backup |
| bwu | BlindWrite CD Copier Data |
| bwv | Business Wave Data |
| bww | Blaise Store Watch Settings Data |
| bx | Opera BX Data |
| bxa | LogiBlox Signal Aliasing Information Data |
| bxd | Broken X Disk Manager Database |
| bxf | iPed Breeder eXchange Format Data |
| bxi | Blaise Datamodel Properties |
| bxml | Bean XML Data |
| bxs | BioExplorer Session Data |
| bxw | Pedigree Central Database Index |
| bxx | Blaxxun Contact Data |
| by | PSpice Data |
| byt | MATLAB MAT5 Format Data |
| byu | Movie.BYU Geometry Data |
| bz1 | WinTOTAL Automatic Backup Data |
| bzf | Tobii Dynavox Compass User Data |
| bzx | SIR 4000 Quick3D Grid Assembly Data |
| bzz | BuzzBundle Settings Data |
| c | XLIFF Localisation Data |
