Define user Access Control
User Access Control enables you to grant specific users access to items archived for other users.
1. Select Configuration tab and click Access Control.
2. Click Configure User Access Control.
3. Select the user to grant access to in the User field and the user to which mailbox access will be granted from the Has access to User field. Click Add and repeat to add other users to other groups.
NOTE
A user can be added to users by selecting the same user and a different user to grant access to archived items.
4. Click Save to finalize settings.