| Abbreviation | Definition |
|---|---|
| CAD | CAD Document |
| CAL | Computer-aided Acquisition and Logistics Support file Bitmap graphics Black & White |
| CAL | SuperCalc Spreadsheet Calculation file |
| CAL | Windows 3.x Calendar file |
| CALS | Bitmap graphics (Computer Aided Acquisition and Logistics Support) |
| CAM | Casio QV Digital Camera Graphics file |
| CAN | Fax (Navigator Fax) |
| CAP | Compressed music file |
| CAP | Session capture file (ProComm - Telix) |
| CAP | Ventura Publisher CAPtion file |
| CAS | C + ASM language source (Turbo C) |
| CAT | Catalog (CP Backup - dBASE IV) |
| CAT | Quicken IntelliCharge categorization file |
| CAT | Rational Rose Logical package |
| CB | Microsoft clean boot file |
| CBC | CubiCalc Fuzzy logic system |
| CBE | Sphinx C-- Language source code file |
| CBL | Cobol language source code file |
| CBM | Compiled bitmap graphics (XLib) |
| CBS | MasterWord Button bar Configuration Set file |