| dbk | Cadence OrCAD Schematic Capture Backup |
| dbk | dBASE Database Backup |
| dbk | Treepad Database Backup |
| dbl | CSD DBL Database |
| dblib | Altium Designer Database Library |
| dbls | DigitalDreams Barcode Label Script Data |
| dbm | Adobe ColdFusion Server Database |
| dbm | DAZ Studio Brick Material |
| dbm | IBM Rational Data Architect Physical Data Model |
| dbm | Petrosys dbMap Data |
| 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 | Corel Paradox Memo Data |
| dbq | SmartWare Backup Query Definition Data |
| dbr | DB/TextWorks Database |
| dbs | DB/TextWorks Textbase Structure Data |
| dbs | GAMBIT Mesh Data |
| dbs | IR Prognosis Database Summary Document |
| dbs | Microsoft SNA Server Database |
| dbs | SQLBase Database |
| dbschema | Microsoft SQL Server Database Schema |
| dbsdif | Altova DiffDog Schema Comparison Data |
| dbt | AbacusLaw Database |
| dbt | Ashampoo Photo Commander Thumbnail Cache List |
| dbt | Autodesk AutoCAD DBConnect Template |
| dbtmsg | DB/TextWorks Messages Textbase |
