Applies to: Office 365 for professionals and small businesses, Office 365 for enterprises, Live@edu
Topic Last Modified: 2011-03-08
Your organization may require that Exchange Online administrators be able to open another user's mailbox and view the contents, including reading e-mail messages.
By default, Exchange Online administrators or members of the Organization Management administrator role group can access a user's Options page in the Exchange Control Panel, but they can’t open the user’s mailbox and view the contents. You have to explicitly assign an administrator the permissions necessary to open another user's mailbox.
Run the following command:
Note You can also allow an ordinary user, such as an administrative assistant or human resources specialist, to open another user's mailbox by specifying that person in the User parameter.
Run the following command:
To give the Exchange Online administrator access to all user mailboxes in your organization, run the following command:
Get-Mailbox -ResultSize unlimited -Filter {(RecipientTypeDetails -eq 'UserMailbox') -and (Alias -ne 'Admin')} | Add-MailboxPermission -User admin -AccessRights fullaccess -InheritanceType all
To give members of the Organization Management role group access to all user mailboxes, set the User parameter to “Organization Management” in the previous command.
Here's how you open another user's mailbox after you've been assigned permissions: Open Another Mailbox.
