How do I access a delegate Outlook mailbox?


Delegate or shared mailboxes can be opened using the web version of Outlook, or added into the desktop version. This allows you to send and view emails from this mailbox. 

Before you begin...

Be sure you have been granted delegate access to the mailbox you wish to add. If you have not yet requested delegate access, you will need to submit a request.


Outlook Web Application (Browser)

  1. Navigate to and sign in to your email.
  2. Click on your user icon at the top-right of the screen. This will be a circle icon with your initials or your picture.
  3. Click on Open another mailbox.

  4. Type the address of the mailbox you would like to open in the mailbox field, then click Open.

Outlook Desktop Application (Windows)

  1. Open the Outlook Desktop Application and make sure you are signed in.
  2. Click the File tab in the top left-hand corner of Outlook.

  3. Click Account Settings, then click the first option, Account Settings....

  4. In the window that opens, double-click your email address.

  5. Click More Settings.

  6. In the window that opens, click the Advanced tab
  7. Click Add...

  8. Type the email address of the email box you want to open in the Add mailbox field.
  9. Click OK.

  10. Click Apply.
  11. Click OK.

  12. Restart Outlook.

Outlook Desktop Application (Mac OS)

  1. Open the Mac Outlook Application and make sure you are signed in.
  2. Click Tools in the top left ribbon of the Outlook Mac Client.

  3. In the Tools drop down menu, click Accounts...

  4. In the Accounts... tab, click Delegation and Sharing.

  5. In the Delegation and Sharing tab, click Shared With Me.
  6. Click the plus sign.

  7. Search for the name of the mailbox you want to add and click your typed mailbox.
  8. Click Add.

  9. Click Done.



Outlook Web Application (Browser)

The delegate mailbox will open in a new tab or window in your browser.

Outlook Desktop Application (Windows)

The delegate mailbox should appear under your own mailbox in your list of folders on the left-hand side of Outlook.

Outlook Desktop Application (Mac OS)

The delegate mailbox will show up under your main mailbox folder on the left-hand side of the Outlook Mac Application.


Article ID: 138465
Wed 10/6/21 11:13 AM
Tue 10/4/22 4:32 PM