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.EDB File Extension

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File TypeExchange Information Store Database

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CategoryDatabase Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.


Database created by Microsoft Exchange Server; serves as the main repository for the mailbox data saved by Exchange; stores both in-process and stored non-SMTP messages; formatted using a b-tree structure, which includes a top level node and many child nodes.

More Information

Priv1.edb and Pub1.edb are the main EDB files used for the Exchange information store. They each have a corresponding .STM file that contain SMTP messages.

Program(s) that open .EDB files
Microsoft Windows LogoWindows
Microsoft Exchange Server
Stellar Phoenix Mailbox Exchange Recovery
Updated 6/21/2012