What are Database Files?

A database is a collection of data that has been organized to be accessible and manageable to make data access quick and easy. Database Files are data files that are used to store the contents of the database in a structured format into a file in separate tables and fields. Database files are commonly used by dynamic websites (eg. Facebook, Twitter, etc.) to store data.

There are a number of popular database file extensions, with some of the most popular being “.DB”, “NSF”, and more.

Types of Popular Database Files


Database File Types

File Database Breakdown - Database File Extensions


Top Database File Extensions

File Extension Total Number of Files Oldest File (Date) Latest File (Date)
DB 410 cversions.2.db
(07/14/2009)
cversions.1.db
(03/30/2020)
MAR 3 market.mar
(04/14/2008)
update.mar
(11/22/2019)
ACCTB 1 Core.acctb
(05/10/2017)
Core.acctb
(05/10/2017)
SQLITE 42 configuration.sqlite
(11/21/2014)
configuration.sqlite
(03/16/2020)
DIA 3 SETTINGS.DIA
(04/24/2017)
class-hierarchy.dia
(01/13/2020)
EDB 12 tmp.edb
(04/24/2017)
spartan.edb
(02/24/2020)
ACCDT 27 Assets.accdt
(05/10/2017)
1100.ACCDT
(02/13/2020)
TRM 1 wdl.trm
(04/14/2008)
wdl.trm
(04/14/2008)
BTR 1 INDEX.BTR
(04/24/2017)
INDEX.BTR
(02/24/2020)
SDB 26 apphelp.sdb
(04/14/2008)
appraiser.sdb
(03/06/2020)
SQL 270 InstallPersonalization.sql
(09/18/2006)
serversync.sql
(03/04/2020)
WMDB 3 CurrentDatabase_360.wmdb
(04/24/2017)
CurrentDatabase_400.wmdb
(12/30/2019)
DB-WAL 10 wpndatabase.db-wal
(04/24/2017)
wpndatabase.db-wal
(02/24/2020)
SDF 49 sam.sdf
(04/14/2008)
DAX3.sdf
(02/19/2020)
ACCDE 3 ACWZLIB.ACCDE
(05/10/2017)
ACWZTOOL.ACCDE
(02/13/2020)
DBF 79 CUSTOMER.DBF
(05/10/2017)
biblio.dbf
(02/17/2020)
FRM 87 fus2base.frm
(09/18/2006)
CREATE_PREDEFINED_REPORT_SDB.FRM
(01/17/2020)
MDT 3 WZDAT70.MDT
(05/10/2017)
ACWZUSR.MDT
(05/10/2017)
SRD-WAL 2 StateRepository-Machine.srd-wal
(04/24/2017)
StateRepository-Machine.srd-wal
(04/24/2017)
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