| dbc | DAZ Studio Brick Camera |
| dbc | Microsoft Visual FoxPro Database |
| dbdif | DatabaseSpy Comparison Data |
| dbe | ActiveSync Backup |
| dbg | SOBEK Debug Data |
| dbg | Altair FEKO UTD Debug Data |
| dbgconf | Keil ULINK2 Debug Configuration Data |
| dbheader | Download Boost Header Data |
| dbi | Treepad Database DBI Data |
| dbin | ACDSee Pro Database |
| dbits | XYplorer Hash Data |
| dbk | Treepad Database Backup |
| dbk | dBASE Database Backup |
| dbl | CSD DBL Database |
| dblib | Altium Designer Database Library |
| dbls | DigitalDreams Barcode Label Script Data |
| dbm | DAZ Studio Brick Material |
| dbm | Adobe ColdFusion Server Database |
| dbmc | Netscape Cache Log |
| dbmg | Netscape Navigator History Data |
| dbn | Racelogic PerformanceBox Binary Data |
| dbnw | Netscape News Database |
| dbo | DB/TextWorks Database Directory |
| dbq | Autodesk AutoCAD Query Set |
| dbq | SmartWare Backup Query Definition Data |
| dbr | DB/TextWorks Database |
| dbs | SQLBase Database |
| dbs | Microsoft SNA Server Database |
| dbs | DB/TextWorks Textbase Structure Data |
| dbschema | Microsoft SQL Server Database Schema |