What are Database Files? Definition and list of extensions
Definition of Database Files
Database files store data in a structured format, organized into tables and fields that allow faster location and access.
The individual entries within a database are called records. A database is a collection of logically related records, databases are used for storage of data referenced by software applications or dynamic web sites.
Classification
Databases can be classified according to the types of content: bibliographic, text, numerical, images. The data in a database is organized based on a schema or model, which is the format or structure of the database. Common database models include hierarchical, network, relational, entity-relationship, object-relational, or object model.
Most popular databases
The best known types of server databases are: Microsoft SQL Server, MySQL, PostgreSQL, Firebird, SQLite, Oracle and IBM DB2. The other common group of databases that can be used locally are: Microsoft Access, Microsoft Visual FoxPro, dBASE, and FileMaker.
Common Extensions
Common database file extensions include .DB, .accdb, NSF, and .fp7.
List of extensions
Here is a list of database file extensions:
| Extension | Description |
| $ er | GroupWise Database |
| 4th | 4th Dimension Database Data File |
| 4dl | 4th Dimension Database Log File |
| abs | Absolute Database File |
| accdb | Access 2007 Database File |
| accdc | Microsoft Access Signed Package |
| access | Access Execute Only Database |
| accdr | Access Runtime Application |
| accdt | Microsoft Access Database Template |
| accdw | Microsoft Access Database Link File |
| accft | Microsoft Access Data Type Template |
| adb | Alpha Five Database File |
| ade | Access Project Extension |
| adn | Access Blank Project Template |
| adp | Access Project |
| alf | ACT! Lookup File |
| apx | Borland C++ appexpert database file |
| ask | askSam Database |
| btr | Btrieve Database File |
| cdb | Symbian Phonebook Database |
| ckp | Ingres Database Checkpoint data |
| cma | TM1 Exported Cube File |
| daconnections | RemObjects Data Abstract Connections File |
| dacpac | SQL Server Data Tier Application Package |
| dad | RemObjects Data Abstract Driver File |
| dadiagrams | RemObjects Data Abstract Data Diagrams File |
| daschema | Data Abstract database schema file |
| db | Database File |
| db-shm | SQLite Database Shared Memory File |
| db-wal | SQLite Database Write-Ahead Log File |
| db2 | dBASE II Database |
| db3 | SQLite Database File |
| dbc | OrCAD capture CIS database configuration file |
| dbf | Database File |
| dbs | SQLBase Database File |
| dbt | Database Text File |
| dbv | Database Variable Field |
| dcb | Concordance Database File |
| dcx | FoxPro Database Index |
| ddl | Data Definition Language File |
| dp1 | DataPower Database File |
| dqy | Excel Query File |
| dsn | Database Source Name File |
| dtf | ACDSee thumbnail database file |
| dtsx | DTS Settings File |
| dwn | FrameWork database file |
| dxl | Domino XML Language File |
| eco | ECCO Database File |
| ecx | ECCO Corrupted Database File |
| edb | Exchange Information Store Database |
| exb | Evernote database file |
| fdb | Database file |
| fic | WinDev Hyper File Database |
| fm5 | FileMaker 5 Database |
| fmp12 | FileMaker Pro 12 Database |
| fmpsl | FileMaker Pro 12 Snapshot Link |
| fmt | Database format file |
| fol | PFS First Choice Database File |
| fp4 | FileMaker Pro 4 Database |
| fp5 | FileMaker Pro 5 Database |
| fp7 | FileMaker Pro 7+ Database |
| ftp | FileMaker Pro Database Memo File |
| frm | MySQL Database Format File |
| fxp | Visual FoxPro compiled database file |
| g | Corel Paradox file |
| gdb | InterBase Database File |
| gwi | GroupWise Database Shortcut File |
| hdb | HansaWorld Database File |
| his | FindinSite Database Definition File |
| ib | InterBase Database |
| ihx | IN-HEH Timeline Database |
| itdb | iTunes Database File |
| itw | InTouch With Database File |
| ivc | iView MediaPro catalogue file |
| jtx | ESE Transaction Log |
| kdb | Keypass Database File |
| kexi | Kexi Database |
| kexic | Kexi Database Connection File |
| kexis | Kexi Database Shortcut File |
| lbl | Database label file format |
| lgc | SimpleK Database File |
| lsl | Corel Paradox file |
| maq | Microsoft Access Query |
| marshal | Marshal Data Migration Model File |
| mav | Access View File |
| maw | Access Data Access Page |
| mdb | Microsoft Access Database |
| mdbhtml | Microsoft Access Database HTML File |
| mdn | Blank Access Database Template |
| mdt | GeoMedia Access Database Template |
| mpd | Microsoft Project Database |
| mrg | MySQL Merge File |
| mud | Textease multi user database |
| mwb | MySQL Workbench Document |
| world | MySQL Database Data File |
| ndf | SQL Server Secondary Database File |
| ns2 | Lotus Notes 2 Database |
| ns3 | Lotus Notes 3 Database |
| ns4 | Lotus Notes 4 Database |
| nsf | Lotus Notes Database |
| ntx | Clipper database index file |
| nv2 | NewViews 2 Database File |
| nyf | myBase Database File |
| odb | OpenDocument Database |
| opt | MySQL database data file |
| oqy | Excel OLAP Query File |
| Now | Oracle Database Configuration File |
| orx | RadiantOne VDS Database Schema |
| owc | OutWit Catch Database |
| p96 | Win96 Database File |
| p97 | Win97 Database File |
| pan | Panorama Database File |
| pcs | Microsoft PowerPoint picture storage file |
| pd | Corel Paradox table file |
| pdb | Program Database |
| pnz | Panorama Database Set |
| px | Corel Paradox primary database index |
| qry | Query File |
| rdl | Corel Paradox file |
| rsd | RealSQLDatabase File |
| sdb | OpenOffice Base database file |
| sdl | Corel Paradox script file |
| spq | SPSS Database Query File |
| sql | Structured Query Language Data File |
| sqlite | SQLite Database File |
| sqlite3 | SQLite 3 Database File |
| sqlitedb | SQLite Database |
| too | DB/TextWorks database menu screen |
| at | Textease CT Database File |
| teacher | SMART Response Teacher Database File |
| trc | Oracle Trace File |
| udb | Dynamics AX User Database File |
| udl | Microsoft Universal Data Link File |
| You | FIMware database file |
| usr | FileMaker Pro Database File |
| v12 | All The Right Type Database File |
| vis | Visual Importer Script |
| wdb | Microsoft Works Database |
| wmdb | Windows Media Database File |
| xld | Excel Database File |
| xsl | Microsoft SharePoint WorkSpace Groove database file |
| ^^^ | Pervasive.SQL Database File |
