How to: Add a Shared Mailbox to Outlook App

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In addition to your own mailbox, you may have access to a shared mailbox to receive and send emails. These mailboxes are often associated with specific departments or offices. This article will detail how to add any mailbox that you have access to inside of the Outlook application. If you need to gain access to a mailbox, please work with the owner of the mailbox to submit a request using the link at the bottom of the article.

Adding a Shared Mailbox

In order to see the shared mailbox, you will need to tell Outlook to open the shared mailbox alongside your current NCU mailbox. Below details how to do so on multiple operating systems. 


  1. Open Outlook.
  2. Select File.
  3. Select Account Settings.
  4. Select Account Settings again.
  5. Ensure your email address is selected, then select Change located just above the email.
  6. Select More Settings.
  7. Select Advanced.
  8. Select Add
  9. Add the desired mailbox by entering the Title of the mailbox.
  10. Select OK then OK again. Select Next then Done to ensure the changes made have been saved. 

Once completed, the shared mailbox should appear beneath your current NCU mailbox.




  1. Open Outlook for Mac.
  2. Select Outlook.
  3. Select Preferences.
  4. Select Account.
  5. Select Advanced at the bottom-right.
  6. Select the Delegates tab.
  7. Click the + under Open these additional Mailboxes.
  8. Enter the name of the mailbox you wish to add and select it from the list.
  9. Select Add.

Once completed, the shared mailbox should appear directly underneath your NCU mailbox. 



Mobile App

Adding a shared mailbox to the Outlook mobile app can be done in a few simple steps. 

  1. Click the 3 lines located in the upper-right to bright open the menu.
  2. Select the + icon to add a new mailbox
  3. Select Add Shared Mailbox.
  4. Enter the email address of the mailbox you wish to add.
  5. Select Continue.

Once completed, the shared mailbox will appear underneath your current NCU mailbox.


Need Assistance?

If you require assistance with adding a shared mailbox, need access to a shared mailbox, or are having issues with a shared mailbox, please submit an IT service request.

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Article ID: 101028
Thu 3/12/20 3:17 PM
Thu 2/23/23 3:17 PM
IT Staff