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)
SRD-WAL 2 StateRepository-Machine.srd-wal
(04/24/2017)
StateRepository-Machine.srd-wal
(04/24/2017)
ACCDE 12 ACWZLIB.ACCDE
(05/10/2017)
ACWZTOOL.ACCDE
(05/10/2017)
WMDB 5 CurrentDatabase_360.wmdb
(04/24/2017)
CurrentDatabase_400.wmdb
(05/10/2017)
ACCDT 73 Issues.accdt
(05/10/2017)
Northwind.accdt
(05/10/2017)
SQL 144 InstallRoles.sql
(09/18/2006)
NorthwindCS.SQL
(05/10/2017)
BTR 15 INDEX.BTR
(04/24/2017)
INDEX.BTR
(05/10/2017)
SQLITE 9 configuration.sqlite
(11/21/2014)
MediaDb.v1.sqlite
(04/24/2017)
EDB 39 tmp.edb
(04/24/2017)
DataStore.edb
(05/10/2017)
SDB 42 msimain.sdb
(04/14/2008)
secedit.sdb
(04/24/2017)
DB-WAL 1 wpndatabase.db-wal
(04/24/2017)
wpndatabase.db-wal
(04/24/2017)
MDT 5 WZDAT70.MDT
(05/10/2017)
ACWZUSR.MDT
(05/10/2017)
TRM 1 wdl.trm
(04/14/2008)
wdl.trm
(04/14/2008)
SDF 9 sam.sdf
(04/14/2008)
RacWmiDatabase.sdf
(05/10/2017)
MAR 2 signup.mar
(04/14/2008)
signup.mar
(04/14/2008)
FRM 4 fus2base.frm
(09/18/2006)
fus3base.frm
(06/10/2009)
DIA 2 SETTINGS.DIA
(04/24/2017)
SETTINGS.DIA
(04/24/2017)
DB 198 cversions.2.db
(07/14/2009)
AgRobust.db
(05/10/2017)
ACCTB 1 Core.acctb
(05/10/2017)
Core.acctb
(05/10/2017)
DBF 3 CUSTOMER.DBF
(05/10/2017)
ORDERS.DBF
(05/10/2017)
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