| catsystem | CATIA Functional Systems Data |
| cav | Comodo IS Virus Definition Data |
| cav | Kintraks Database |
| caw | SSIS Cache Data |
| cawr | Espresso Workreport Document |
| cb | Cashbook Complete Company Data |
| cb1 | CARE-S InfoWorks Biochemical Oxygen Detail Data |
| cb3 | CliBench Mk III Data |
| cb4 | Actuate Analytics Cube Data |
| cb5 | CubeAnimator LED Data |
| cba | DB/TextWorks SQL Textbase Definition |
| cbb | DB/TextWorks SQL Textbase Structure Definition |
| cbc | CubiCalc Fuzzy Logic System Data |
| cbc | MODFLOW Cell-by-cell Flow Data |
| cbcp | CodeBaby Production Studio Character Package |
| cbd | Corel WordPerfect Dictionary Data |
| cbddlp | ChiTuBox Sliced 3D Object |
| cbf | Calendar Builder Calendar Data |
| cbf | CoffeeCup Button Factory Button |
| cbg | CyberGauge Data File |
| cbin | CACTVS Binary File |
| cbk | DYMO CardScan Backup Data |
| cbk | Giza Specifier Drawing Backup |
| cbl | CD Box Labeler Pro Data |
| cbl | Microsoft Interactive Training Data |
| cbl | PTC Creo Cable Parameters Data |
| cbm | EaseUS Todo Backup Data |
| cbm | Microsoft Interactive Training Data |
| cbml | Vernier Logger Pro Data |
| cbmv | Comic Book Millennium Collection Data |
| cbo | Microsoft Interactive Training Bookmark |
| cbor | Concise Binary Object Representation Data |
| cbr | DAZ 3D Carrara 6 Browser Data |
| cbs | Calendar Builder Style Sheet Data |
| cbs | DB/TextWorks SQL Textbase Structure Data |
