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Lefty's avatar
Lefty
Copper Contributor
Jan 20, 2025

Can I hide user accounts from contact lists?

I'm dealing with a Tenant where for unknown historical reasons users have been given multiple accounts under the same name, but with different mailboxes and different email addresses (same name, diff...
Exchange admin center
microsoft 365 admin center
Kidd_Ip's avatar
Kidd_Ip
MVP
Jan 22, 2025

Referring below:

 

  • Using Exchange Admin Center:
    • Log in to the Exchange Admin Center.
    • Navigate to Recipients > Mailboxes.
    • Select the mailbox you want to hide.
    • Open the mailbox properties and under Mailbox Delegation, select Hide from address lists.
    • Save the changes.
  • Using PowerShell:
    • Open Exchange Online PowerShell or connect to it.
    • Use the following command to hide a specific user from the Global Address List (GAL):
      Set-Mailbox -Identity "UserEmailAddress" -HiddenFromAddressListsEnabled $true

       

    • Replace "UserEmailAddress" with the email address of the user you want to hide

  • Using Active Directory (for Hybrid Environments):

    • Open Active Directory Users and Computers.
    • Locate the user you want to hide from the GAL and double-click on the user.
    • Click on the Attribute Editor tab.
    • Locate the attribute msExchHideFromAddressLists and set it to True.
    • Perform a sync to push the changes to the cloud.

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