Exchange: Hide Mailbox from Address List

In organization you might need to hide a mailbox from the GAL for some reason.

For this procedure you may use Exchange Admin Center or the Exchange Management Shell.

Hide mailbox using the Exchange Admin Center:

Select Recipients - Mailboxes

Click edit on the mailbox where you want to hide from the GAL.

 

On the properties page for the user, ensure you are on the General tab/page
Select option "Hide from address lists" then click Save button.

 

 

 

Hide mailbox using the Exchange Management Shell:

 

Set-Mailbox -Identity <UserName> -HiddenFromAddressListsEnabled $true

 

 

To show mailbox using the Exchange Management Shell:

 

Set-Mailbox -Identity <UserName> -HiddenFromAddressListsEnabled $false