| .bpm |
Bizagi Process Modeler |
| .bkz |
FileFort Backup File |
| .backup |
Android Backup File |
| .bakx |
Finale Backup File |
| .bps |
BPS Virus File |
| .bpb |
PowerDesigner Business Process Backup File |
| .bk1 |
Autodesk Backup File |
| .bak~ |
AbiWord Auto-Saved Document |
| .bifx |
Get Backup Project |
| .blend2 |
Blender Document Backup 2 File |
| .bkup |
Backup File |
| .bak2 |
Backup File |
| .bak3 |
Backup File |
| .bookexport |
BookSmart Backup Book File |
| .bac |
Backup File |
| .bbz |
BerryBuzz Backup File |
| .ba6 |
TaxAct 2016 Tax Return Backup File |
| .ba7 |
TaxAct 2016 Tax Return Backup File |
| .csd |
Steam Game Data Backup File |
| .csm |
Character Studio Marker File |
| .crds |
Windows CardSpace Backup File |
| .cmf |
Creative Music Format |
| .cbu |
Comodo Backup File |
| .cbs |
Code Breaker PS2 Save File |