Editing List of file formats (section)

== Database ==
* 4DB – [[4th Dimension (software)|4D]] database Structure file
* 4DC – 4D database Structure file (compiled in legacy mode)
* 4DD – 4D database Data file
* 4DIndy – 4D database Structure Index file
* 4DIndx – 4D database Data Index file
* 4DR – 4D database Data resource file (in old 4D versions)
* 4DZ – 4D database Structure file (compiled in 4D Project mode)
* ACCDB – Microsoft Database ([[Microsoft Access|Microsoft Office Access 2007]] and later)
* ACCDE – Compiled Microsoft Database ([[Microsoft Access|Microsoft Office Access 2007]] and later)
* ADT – Sybase [[Advantage Database Server (ADS)]]
* APR – [[Lotus Approach]] data entry & reports
* BOX – [[Lotus Notes]] Post Office mail routing database
* CHML – Krasbit Technologies Encrypted database file for 1 click integration between contact management software and the Chameleon Software
* DAF – Digital Anchor data file
* DAT – DOS Basic
* DAT – [[Caché (software)|Intersystems Caché]] database file
* DB – [[Paradox (database)|Paradox]]
* DB – [[SQLite]]
* DBF – db/dbase II,III,IV and V, Clipper, Harbour/xHarbour, Fox/FoxPro, [[Oracle database|Oracle]]
* DTA – [[Sage Sterling]] database file
* EGT – EGT Universal Document, used to compress sql databases to smaller files, may contain original EGT database style.
* ESS – EGT SmartSense is a database of files and its compression style. Specific to EGT SmartSense
* EAP – [[Enterprise Architect (software)|Enterprise Architect]] Project
* FDB – [[Firebird (database server)|Firebird]] Databases
* FDB – [[Microsoft Dynamics NAV|Navision]] database file
* FP, FP3, FP5, FP7 – [[FileMaker Pro]]
* FRM – [[MySQL]] table definition
* GDB – Borland [[InterBase]] Databases
* GTABLE – [[Google Drive]] [[Google Fusion Tables|Fusion Table]]
* KEXI – [[Kexi]] database file ([[SQLite]]-based)
* KEXIC – shortcut to a database connection for a [[Kexi]] databases on a server
* KEXIS – shortcut to a [[Kexi]] database
* LDB – Temporary database file, only existing when database is open
* LIRS – '''L'''ayered '''I'''ntage'''r''' '''S'''torage. Stores intageres with characters such as semicolons to create lists of data. 
* MDA – Add-in file for [[Microsoft Access]]
* MDB – [[Microsoft Access]] database
* ADP – [[Microsoft Access]] project (used for accessing databases on a server)
* MDE – Compiled Microsoft Database (Access)
* MDF – Microsoft SQL Server Database
* MYD – MySQL MyISAM table data
* MYI – MySQL MyISAM table index
* NCF – [[Lotus Notes]] configuration file
* NSF – [[Lotus Notes]] database
* NTF – [[Lotus Notes]] database design template
* NV2 – QW Page [[NewViews]] object oriented accounting database
* ODB – [[LibreOffice Base]] or [[OpenOffice.org|OpenOffice Base]] database
* ORA – [[Oracle Corporation|Oracle]] tablespace files sometimes get this extension (also used for configuration files)
* PCONTACT – WinIM Contact file
* PDB – [[PDB (Palm OS)|Palm OS Database]]
* PDI – Portable Database Image
* PDX – [[Paradox (database)|Corel Paradox]] database management
* PRC – [[PRC (Palm OS)|Palm OS resource database]]
* [[SQL]] – bundled SQL queries
* REC – GNU recutils database
* REL – Sage [[Retrieve 4GL]] data file
* RIN – Sage Retrieve 4GL index file
* SDB – [[StarOffice]]'s StarBase
* SDF – SQL Compact Database file
* SQLITE – [[SQLite]]
* UDL – [[Universal Data Link]]
* waData – Wakanda (software) database Data file
* waIndx – Wakanda (software) database Index file
* waModel – Wakanda (software) database Model file
* waJournal – Wakanda (software) database Journal file
* WDB – [[Microsoft Works]] Database
* WMDB – [[Windows Media Player|Windows Media]] Database file – The <code>CurrentDatabase_360.wmdb</code> file can contain file name, file properties, music, video, photo and playlist information.