What is EDB File?

Overview – What is EDB File Extension?

EDB or Exchange Database is exchange data file which was designed on single client server architecture. It uses Microsoft extensible storage engine in order to access data. These files includes entire data components such as email, message, folders and attachment. It is the main repository of Exchange Server Mailbox. In the EDB file each and every data is well maintained when the communication is made using the Exchange Server.

The SMTP, IMAP and the HTTPS messages of Exchange Server is stored by EDB file in B-tree structure format. The main motive behind using the B-tree structure is to access the data from EDB file in quick time.

EDB file Types
Previously, There are multiple edb file types were created by the exchange server in version 2000 & 2003 & 2010. But Then onwards the Exchange Server created only single EDB file with STM file(store attachments)

Priv1.edb:- It stores only the private data of the user

Pub1.edb:- The data which are common among the users are stored in Public folder

HelpFul Facts About EDB file Extension

  • Exchange Server uses the B-tree algorithm to store EDB file data in efficient manner.
  • Exchange Server uses the ESE or Extensible Storage engine commonly known as Jet Blue to extract and retrieve the data from the EDB file.
  • From Exchange Server Version 2013 onwards, Exchange Servers stores the Private data in Mailboxdatabase.edb and the Publicly shared data in Database.edb file.
  • You can repair the minor corruption issues in EDB file using the Exchange inbuilt utility ESEUTIL and ISINTEG

Category of Application

  • As EDB file stores the complete data of Exchange server. Therefore EDB files belongs to database category.

Application Software

Microsoft Exchange Server



File Signature:-

It has the following file signature:- Hexadecimal efcd89


Microsoft has launched Exchange Server in the year 1993 to meet the internal communication of small or medium sized organization.From the onwrds EDB file came into existence

Location of EDB files files

Exchange server 2000 and 2003
C:\Program Files\Exchsrvr\MDBDATA\Priv1.edb
C:\Program Files\Exchsrvr\MDBDATA\Pub1.edb

Exchange server 2007
C:\Program Files\Microsoft\Exchange Server\Mailbox\First Storage Group\Mailbox Database.edb
C:\Program\Files\Microsoft\Exchange Server\Mailbox\First Storage Group\.edb

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

Exchange server 2013
C:\Program Files\Microsoft\Exchange Server\V15\Mailbox\Mailbox database name