List of All the File Extensions Formats and Types Starting With the Letter B
| File Extension | Type Description |
|---|---|
| BA2 | address book |
| BACKUP | backup data |
| BACKUPDB | Apple Time Machine backup folder |
| BAD | Oracle Bad |
| BAK | backup |
| BAN | Sierra Print Artist banner |
| BAND | GarageBand music project |
| BAR | Age of Empires 3 game
Age of Mythology game dBASE Application Generator horizontal bar menu object Unix BAR compressed archive |
| BAS | Actuate e.Report Designer basic source
Basic source code Microsoft QuickBASIC (QBasic) extended source |
| BAT | Batch (executable) |
| BAU | OpenOffice.org configuration |
| BIN | Binary Image |
| BED | Genomic regions |
| BEN | SiSoftware Sandra |
| BI | Progress database before image |
| BIB | Papyrus database |
| BIBTEX | BibTeX document |
| BIC | Civilization III game scenario |
| BIK | BINK video |
| BIO | OS/2 BIOS |
| BIT | X11 bitmap image |
| BOB | BOB Raytracer bitmap image |
| BOE | Microsoft Outlook Express backup |
| BOF | IBM Voice Type languages tasks enroll |
| BOM | OrCAD schematic capture bill of materials |
| BOOK | Adobe FrameMaker book |
| BOOTSKIN | Microsoft Windows boot skin |
| BOS | Fallout Tactics game archive |
| BU | Pegasus Mail temporary |
| BUP | Backup DVD Info
Brother Embroidery system CD Indexer file PC-Bibliothek update |
| BUN | CakeWalk audio bundle
Monkey Island 3 game archive Need for Speed Undercover game |