Applies to: User Mailbox, Journal Mailbox
You can restore a mailbox, a message, or a mailbox item to a PST file.
The size of the PST file is limited based on the version of Microsoft Outlook that you use.
Microsoft Outlook Version
Maximum PST File Size
Microsoft Outlook versions older than 2003
Microsoft Outlook 2003 or 2007
Microsoft Outlook 2010 or 2013
Microsoft Outlook 2016 or newer
If you try to restore a data set that is larger than the PST size limit, the restore will fail. You can choose to restore large data sets to multiple PST files that are less than or equal to the value that you define. These PST files cannot be larger than 45 GB.
Before You Begin
Verify that the destination client has Microsoft Outlook 64-bit 2010 or 2013 installed.
From the navigation pane, go to Protect > Exchange.
The Exchange page appears.
Click the Exchange client that contains the mailbox that you want to restore.
The Exchange client page appears.
Follow the steps for what you want to restore:
Data to restore
From the Restore destination list, select File location.
From the Server list, select the destination server.
In the Path box, specify the path where you want to restore the PST file, including the PST file name with the .pst extension.
Note: Restoring the PST file to a network location is not supported.
From the File type list, select PST.
To restore a large data set to multiple PST files, under Advanced options, select the Limit PST size to check box, and then enter a size value.
The size limit cannot be greater than 45 GB.