You can restore mailboxes, mailbox items, or messages to a physically different location on a disk (that is, a non-Exchange location).
From the navigation pane, expand Protect > Applications > Exchange.
The list of all Exchange clients appears.
Click the Exchange client that contains the mailbox that you want to restore.
The Exchange client page appears.
Right-click the mailbox that you want to restore, and then click Restore.
The Backup content page appears.
From the Restore to list, select Disk.
From the Destination host list, select the name of the appropriate client computer.
In the Destination path box, type the destination path.
ContentStore Mailbox and Journal Mailbox: To restore only the actual message, select the Remove journal report if it exists on restore check box.
The journal report is removed when the message is restored.