What is EDB File Extension?


Exchange Database File is best known as EDB. It is the prime repository of Exchange Server database. It has been designed on one client-server architecture. It holds users data like emails, attachments, and folders. The Exchange server uses the Extensible Storage Engine.

It stores the whole mailbox data strategically like emails, events, contacts, journals etc.

It stands for Extensible Storage Engine and sometimes known as JET Blue.

Exchange Server uses the file format to store EDB databases.

It is capable to store messages of MAPI clients in Outlook, therefore known as a MAPI-based database.

Exchange Database holds more than one B-Trees.

The Exchange Database 2003 uses priv1.edb which is called as a Private folder and the version 2000 uses pub1.edb which is called public folder.

The Exchange Server Database 2007 saves data in mailbox database.edb and 2010 version uses Public Folder Database.edb.

The 2013 version saves public and private data in Mailbox Database Name.

In case, the data gets corrupted, it can repair with the help of command-line utilities ISINTEG and ESEUTIL.


It comes in the category of Database files.

Supported Apps

MS Exchange Server is the only support.


hexadecimal: ef cd ab 89 (at offset 4)


The default location is based on the version of Exchange Server.

Exchange Server 2013

C:\Program Files\Microsoft\Exchange Server\V15\Mailbox\Mailbox database name

Exchange Server 2010

C:\Program Files\Microsoft\Exchange Server\V14\Mailbox Database\Mailbox Database.edb

C:\Program Files\Microsoft\Exchange Server\V14\Public Folder Database\Public Folder Database.edb

Language Support

Apart from English, it supports many other languages like-

  • Chinese (Traditional & Simplified)
  • Japanese
  • Italian
  • Korean
  • Portuguese
  • French
  • Russian
  • Spanish
  • German

How to View the EDB File Extension

You can view EDB files manually and using a third app.

EDB files can be opened manually in the Exchange Server.