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List of common database file extensions

Commonly used database formats from some of the most popular databases and database management software.

Common database related files may change in time as the popularity and significance of some formats can change.
Whole category of database related files contains now 536 file types. Show all database file types.

accdb file icon accdb 

An accdb file extension is used by Microsoft Access from version 2007 for its main database format. A previous binary format had mdb file extension instead. Access is one of the most used personal database management systems.

accdt file icon accdt 

Files with accdt suffix can be usually found as database templates for Microsoft Access database management software. Introduced first in version 2007.

csv file icon csv 

A csv file extension is commonly used for Comma Separated Value file format. CSV is a simple text file with values divided by comma or other character used to separate values. Often used as an import/export format for databases and tables by many software.

 db 

A db file extension is typically used for databases. They can be in many different formats but most are based on classical database engines like dBase.

 dbf 

Files with dbf extension is traditionally used for database files by various database management programs. Originally developed by dBase, DBF file format is widely supported.

 fdb 

Files with fdb extension can be most often encountered as databases from Firebird relational database management system.

 gdb 

Files with gdb extension can be mainly found as databases in InterBase format. Used by many programs.

 idx 

Files with idx suffix can be usually encountered as various index files from all kind of programs and applications.

mdb file icon mdb 

An mdb file extension is used by Microsoft Access database management system for its main database files. MDB format was replaced in later version of Microsoft Office by ACCDB format. Access mdb databases can usually be opened in or imported to most database management systems, such as dBase, Oracle etc.

 mdf 

An mdf file extension is used for a database file format for Microsoft SQL Server, relational database server, developed by Microsoft, with latest version being 2016.

 sdf 

Files with sdf file extension can be mainly found as compact SQL databases from Microsoft SQL Server.

sql file icon sql 

An sql file extension is used for SQL (Structured Query Language) data files. This file is used to exchange or export/import data from relational SQL databases, contains various SQL instructions etc. It is a text file, but only useful together with various sql database servers and sql management software.

 sqlite 

An sqlite file extension is associated with database files saved in the SQLite database format. Navicat is a popular program that can work with sqlite databases.

wdb file icon wdb 

Files with wdb extension can be mainly found as older databases from the discontinued Microsoft Works office software bundle.

xml file icon xml 

An xml file extension is commonly used for files written in Extensible Markup Language. An xml file is used in various areas of computer industry and many program languages are just derivatives of XML. These xml files can be opened and edited in any text editor or IDE.

This is a list of some the most common file types from this category and may change in time as the popularity and significance of some formats can change. Whole category of database related files contains now 536 file types. Show all database files.

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