| db- | Norton Utilities Nprotect Database |
| db-journal | SQLite Rollback Journal Data |
| db-shm | SQLite Database Shared Memory |
| db-wal | SQLite Database Write-Ahead Log |
| db1 | Tekla Structures Model |
| db2 | dBASE II Database |
| db2 | Tekla Numbering Database |
| db2ind | Microsoft Visual Studio DB2 Index Data |
| db3 | Berkeley DB3 Database |
| db3-wal | SQLite 3 Write-Ahead Log |
| db4 | dBASE IV Database |
| dba | DataEase Data |
| dba | Gridgen Geometry Data |
| dba | Steinberg WaveLab Audio Database |
| dban | DBAN Data |
| dbas | AQUA Database |
| dbat | Intuit Quicken for Mac DBAT Data |
| dbb | ANSYS Workbench Database Backup |
| dbb | Skype Binary Log File |
| dbc | Ashampoo Photo Commander Thumbnail Cache List |
| dbc | CANdb++ Database |
| dbc | DAZ Studio Brick Camera |
| dbc | IR Prognosis Database Collection Document |
| dbc | Microsoft Visual FoxPro Database |
| dbd | Oracle Database Record Type Data |
| dbdif | DatabaseSpy Comparison Data |
| dbe | ActiveSync Backup |
| dbf | AbacusLaw Database |
| dbf | CA-dBFast Database |
| dbf | NovaBACKUP Database |
