Database File Types
Database files store data in a structured format, organized into tables and fields. Individual entries within a database are called records. Databases are commonly used for storing data referenced by dynamic websites.
Common database file extensions include .DB, .ACCDB, .NSF, and .FP7.
| Extension | File Description | Popularity |
|---|---|---|
| .$er | GroupWise Database | Average |
| .4dd | 4th Dimension Database Data File | Average |
| .4dl | 4th Dimension Database Log File | Uncommon |
| .accdb | Access 2007 Database File | Very Common |
| .accdc | Microsoft Access Signed Package | Average |
| .accde | Access Execute Only Database | Average |
| .accdr | Access Runtime Application | Average |
| .accdt | Microsoft Access Database Template | Average |
| .accdw | Microsoft Access Database Link File | Uncommon |
| .adb | Ability Database File | Uncommon |
| .adb | Alpha Five Database File | Average |
| .ade | Access Project Extension | Average |
| .adf | ACT! Data File | Average |
| .adp | Access Project | Common |
| .alf | ACT! Lookup File | Average |
| .ask | askSam Database | Average |
| .btr | Btrieve Database File | Uncommon |
| .cat | Advanced Disk Catalog Database | Uncommon |
| .cdb | CardScan Contacts Database | Average |
| .cdb | Pocket Access Database | Average |
| .cdb | Symbian Phonebook Database | Common |
| .daconnections | RemObjects Data Abstract Connections File | Average |
| .dad | RemObjects Data Abstract Driver File | Uncommon |
| .dadiagrams | RemObjects Data Abstract Data Diagrams File | Uncommon |
| .daschema | RemObjects Data Abstract Schema File | Average |
| .db | Mobile Device Database File | Average |
| .db | Database File | Very Common |
| .db2 | dBASE II Database | Average |
| .db3 | SQLite Database File | Average |
| .dbc | FoxPro Database | Average |
| .dbf | Database File | Very Common |
| .dbs | SQLBase Database File | Average |
| .dbt | Database Text File | Average |
| .dbv | Database Variable Field | Average |
| .dbx | Visual FoxPro Table | Uncommon |
| .dcb | Concordance Database File | Average |
| .dct | FoxPro Database Memo | Average |
| .dcx | FoxPro Database Index | Average |
| .dp1 | DataPower Database File | Average |
| .dqy | Excel Query File | Uncommon |
| .dsk | Simple IDs Database | Uncommon |
| .dsn | Database Source Name File | Common |
| .dtsx | DTS Settings File | Average |
| .dxl | Domino XML Language File | Average |
| .eco | ECCO Database File | Average |
| .ecx | ECCO Corrupted Database File | Average |
| .edb | Exchange Information Store Database | Average |
| .fcd | First Choice Database | Average |
| .fdb | Microsoft Dynamics NAV Database File | Average |
| .fic | WINDEV Hyper File Database | Uncommon |
| .fm5 | FileMaker 5 Database | Rare |
| .fmp | FileMaker Pro Database | Rare |
| .fol | PFS First Choice Database File | Rare |
| .fp3 | FileMaker Pro 3 Database | Rare |
| .fp4 | FileMaker Pro 4 Database | Rare |
| .fp5 | FileMaker Pro 5 Database | Uncommon |
| .fp7 | FileMaker Pro 7+ Database | Common |
| .fpt | FileMaker Pro Database Memo File | Average |
| .frm | MySQL Database Format File | Common |
| .gdb | InterBase Database File | Uncommon |
| .gwi | GroupWise Database Shortcut File | Average |
| .hdb | HansaWorld Database File | Average |
| .his | FindinSite Database Definition File | Uncommon |
| .ib | InterBase Database | Average |
| .idb | IDA Database File | Average |
| .ihx | IN-HEH Timeline Database | Average |
| .itdb | iTunes Database File | Average |
| .itw | InTouch With Database File | Average |
| .jtx | ESE Transaction Log | Uncommon |
| .kdb | Keypass Database File | Average |
| .lgc | SimpleK Database File | Average |
| .maf | Microsoft Access Form | Uncommon |
| .maq | Microsoft Access Query | Average |
| .mar | Microsoft Access Report | Uncommon |
| .marshal | Marshal Data Migration Model File | Average |
| .mas | Access Stored Procedures | Uncommon |
| .mav | Access View File | Average |
| .maw | Access Data Access Page | Uncommon |
| .mdb | Microsoft Access Database | Very Common |
| .mdbhtml | Microsoft Access Database HTML File | Rare |
| .mdf | SQL Server Database File | Common |
| .mdn | Blank Access Database Template | Rare |
| .mdt | GeoMedia Access Database Template | Uncommon |
| .mpd | Microsoft Project Database | Average |
| .mrg | MySQL Merge File | Uncommon |
| .mud | Textease Multi User Database | Average |
| .mwb | MySQL Workbench Document | Common |
| .myd | MySQL Database Data File | Average |
| .ndf | SQL Server Secondary Database File | Average |
| .ns2 | Lotus Notes 2 Database | Rare |
| .ns3 | Lotus Notes 3 Database | Uncommon |
| .ns4 | Lotus Notes 4 Database | Uncommon |
| .nsf | Lotus Notes Database | Average |
| .nyf | myBase Database File | Average |
| .odb | ABAQUS Database | Uncommon |
| .odb | OpenOffice.org Base Database | Average |
| .oqy | Excel OLAP Query File | Average |
| .ora | Oracle Database Configuration File | Common |
| .orx | RadiantOne VDS Database Schema | Uncommon |
| .owc | OutWit Catch Database | Uncommon |
| .p96 | Win96 Database File | Average |
| .p97 | Win97 Database File | Average |
| .pan | Panorama Database File | Average |
| .pdb | Palm Desktop Database File | Common |
| .pdb | Program Database | Very Common |
| .pdm | PowerDesigner Database File | Average |
| .pnz | Panorama Database Set | Average |
| .qry | Query File | Average |
| .qvd | QlikView Data File | Common |
| .rbf | Redatam Binary File | Uncommon |
| .rod | RIB office Database File | Uncommon |
| .rpd | RIB Project Database File | Uncommon |
| .rsd | RealSQLDatabase File | Average |
| .sbf | Superbase Database File | Uncommon |
| .scx | FoxPro Form | Average |
| .sdb | ServerBoss Database File | Average |
| .sdb | OpenOffice.org Base Database File | Uncommon |
| .sdb | MonKey Office SQLite Database File | Average |
| .sdf | SQL Server Compact Database File | Average |
| .sis | Sisma Database File | Average |
| .spq | SPSS Database Query File | Average |
| .sql | Structured Query Language Data | Very Common |
| .sqlite | SQLite Database File | Common |
| .sqlite3 | SQLite 3 Database File | Average |
| .sqlitedb | SQLite Database | Common |
| .te | Textease CT Database File | Common |
| .teacher | SMART Response Teacher Database File | Uncommon |
| .tmd | MySQL Temporary Database File | Uncommon |
| .trc | Oracle Trace File | Average |
| .trm | Oracle Trace Map File | Uncommon |
| .udb | Dynamics AX User Database File | Average |
| .udl | Microsoft Universal Data Link File | Average |
| .usr | FileMaker Pro Database File | Average |
| .v12 | All The Right Type Database File | Rare |
| .vis | Visual Importer Script | Average |
| .wdb | Microsoft Works Database | Average |
| .wmdb | Windows Media Database File | Average |
| .wrk | SQL Server Log Shipping File | Uncommon |
| .xdb | PowerDesigner Database Definition File | Average |
| .xld | Excel Database File | Rare |
| .^^^ | Pervasive.SQL Database File | Uncommon |