Since we appreciate the utility of Exchange server database, we do not want the users missing their access to their files at all. Then you can use an EDB to MSG Converter Tool, through this tool every user can save all Exchange Mailbox items in MSG format. If some how users lost Exchange emails due to some internal errors like as virus attack, users account deletion, hardware software failure, so in the such manner to taken the circumstances is adopt a tool which simply repair corrupted edb file and convert EDB file to MSG.