| Abbreviation | Definition |
|---|---|
| BHX | Compressed file ascii archive (BinHex) |
| BI | BASIC source code include file (Visual Basic) |
| BIB | Bibliography (ascii) |
| BIB | Database - not compatible with TeX format (Papyrus) |
| BIB | Literature database (TeX/BibTeX) |
| BIF | Binary Information File ( ASCII file describing image) |
| BIF | Bitmap graphics (b&w Binary Image Format) (Image Capture board) |
| BIF | Initialization file (GroupWise) |
| BIFF | XLITE 3D file |
| BIG | Chinese text (old version) |
| BIG5 | Chinese text (old version) |
| BIL | Satellite image (8bit GIS tape format) (SPOT image) |
| BIN | Binary file |
| BIN | SGI Powerflip |
| BIO | BIOS (OS/2) |
| BIT | X11 Bitmap graphics |
| BIX | Compressed file archive (BIX) |
| BK | Faxbook (JetFax) |
| BK! | Document backup (WordPerfect for Win) |
| BK1 | Timed backup file for document window 1 (WordPerfect for Win) |