| bash_history | Bash History Data |
| battle | Robocode Battle Data |
| bav | The Bat! Anti-Virus Plugin |
| baw | BrainLED AlfaWave Session |
| bbd | Xilinx Black Box Definition |
| bbi | LinkOne Publisher Book Data |
| bbk | Sage Fixed Assets Database Backup |
| bbk | Treepad Database Blob Backup |
| bbli | E-Sword Bible Module |
| bblx | E-Sword Bible Data |
| bbma | BonziBuddy Data |
| bbox | Geomview Simple Bounding Box Data |
| bbp | Geomview Bezier Bicubic Patches Data |
| bbq | BitBeamer Transfer Queue Data |
| bbt | BTwin Database |
| bbv | PPLive Cache File |
| bbw | Band-in-a-Box Interface |
| bbx | BrainBox Neural Net Data |
| bc | BitComet File |
| bc! | BitComet File |
| bc3 | FIEBDC Database |
| bc6 | Cashflow Manager 2006 Backup |
| bc7 | Cashflow Manager v7 Backup File |
| bc8 | Cashflow Manager v8 Backup File |
| bc9 | Cashflow Manager v9 Backup |
| bcd | ARM RealView Board/Chip Definition File |
| bcf | MyLabel Designer Deluxe Data |
| bcf | Binary Counterpart Data |
| bcf | BIM Collaboration Format Data |
| bcf2 | Binary Counterpart Data |
| bcg | BusinessCards MX Gradients Data |
| bch | Oracle Documaker Batch |
| bch | PCCharge Offline Transaction Log |
| bci | Belarc Advisor Report |
| bck | HP OpenVMS Backup File |