Ask the Expert

Can I restrict/remove the Permission tab in Outlook?

How do I prevent Microsoft Outlook users from assigning other users rights to their mailboxes? I want to restrict or remove the Permission tab in the Properties view in Outlook. Permissions to mailboxes should be assigned by the administrators through Active Directory, not by the users.

The quickest, easiest and safest way to remove the Properties tab is to switch the delivery location of mail from the Exchange server to a personal folder. However, this configuration is usually considered a problem and not a solution.

I do not know of an easy way to hide the Permissions tab for all mailbox folders. The GPO templates included with the Office Resource Kit do offer a variety of policy settings that help administrators control Outlook client settings. However, hiding the Permissions tab is not one of them.

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There is a procedure in Windows that is used to hide the Security tab via a registry setting. It involves changing the permission on the Object Class ID registry value for the Security tab. For more detail, reference How to remove the Security tab by using a group policy.

Now, I make no guarantees about this. But, in theory, you could use a tool like Regmon to help you identify the Object Class ID for the Permission tab used for delegation in Outlook, and change the default permission on that. If you do decide to try this, please back up the registry first.

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Related information from

  • Freeware Download: Regmon
  • Reference Center: Outlook permissions and authentication tips and resources
  • 15 tips in 15 minutes: Managing recipients and distribution lists
  • This was first published in December 2005

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