| bidule | Bidule Layout Data |
| bif | Corel WordPerfect Binary Information |
| bif | TomTom Navigator General Info File |
| bii | Basilisk II Data |
| bikey | Bohemia Interactive Key |
| bim | Bytessence InstallMaker Data |
| bim | GQT Variant Metadata |
| bim | PLINK Extended MAP File |
| bim | Zemax Binary Image Surface Data |
| bimd | Blue Ink Meta-data Export Data |
| bin | Apple Safari Theme Data |
| bin | AVG Antivirus Update Data |
| bin | BlackBerry 10 IT Policy Data |
| bin | GOG.com Data |
| bin | Macbinary Encoded |
| bin | Micrografx Designer 7 Project Image |
| bin | Opera Encoder Data |
| bin | ReadyNAS OS Application |
| bina | Microsoft Word 5 for Mac Document |
| binary | Generic Binary Data |
| bini | Smokeview Simulation Boundary Data |
| binlog | MySQL Binlog Data File |
| binui | Call of Juarez Game Menu Data |
| binx | Analyst BINX Data |
| bio | Mudbox Bio 3D Data |
| bio | OS/2 Warp Bios Data |
| bioexcess | BioExcess Protected Data |
| biom | Biological Observation Matrix Data |
| bionix | BioniX Wallpaper Playlist |
| bip | 3ds Max Character Studio Biped Motion Data |
| bip | QIP Infium Account Backup Data |
| bip | TSG Spectral Data |
| bis | BeInSync Data |
| bis | Blaise Interview Specification |
| bit | DROPS Simulator Drillbits Data |
