.EDB files are most commonly used by mailbox data files that have been saved by the Microsoft Exchange Server, EDB is an acronym for Exchange Database. The EDB files are exchange database files that store in-process and non-SMTP messages. These files are formatted using the b-tree structure. Each EDB file has a corresponding STM file which contains the actual SMTP messages.
Adobe Photoshop also uses the .edb file extension. In the PhotoShop application, the .edb file suffix is used for extended digital books that have been created with the application
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2. The mailbox store on an Exchange server uses files named Priv1.edb and Priv1.stm.
EDB file - Exchange Database file
It is the main repository of Exchange Server database, designed on single client-server architecture.
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