It can happen that you have the need to recover files or mails. This explains how you can recover these while using a backup database: New-StorageGroup -name "Recovery sg" -RecoveryNew-MailboxDatabase -Name"recovery db" -MailboxDatabaseToRecover "mailbox database" -StorageGroup "Recovery sg" -EdbFilePath "c:\recovery\recovery.edb" Mount-Database -id "Recovery db"Restore-Mailbox -RSGDatabase "Recovery DB" -Identity "Steve Jobs" If you want to restore mails that already have been deleted : [Restore-Mailbox -RSGDatabase "Recovery db" -RSGMailbox "Mike Jones" -Identity "Mike Jones" -TargetFolder"Old Mails"