Adding a Shared Mailbox to Outlook 365 – Windows

Add a Departmental Shared Mailbox in Outlook (Windows)

These instructions explain how to add a departmental shared mailbox to Outlook (Microsoft 365) on a Windows desktop.

Important:
Permission to access the shared mailbox must be granted by the ITS Service Desk before it can be added to Outlook.

Add the Shared Mailbox

1. Select the Windows Start button (bottom-left of your screen).
2. Start typing Outlook, then open the Outlook application.
   

   

3. In Outlook, select the File tab (top-left).
4. Under Account Information, select Account Settings, then choose Account Settings from the drop-down menu.
5. The Account Settings window will open and display your primary email account.
   Select New on the Email tab.
6. When prompted, enter the shared mailbox address
   (for example: departmentname@cunet.carleton.ca), then select Connect.
7. The Carleton Single Sign-On (SSO) page will appear:
   • Remove the pre-filled shared mailbox address
   • Enter your full Carleton email address
     (firstnamelastname@cunet.carleton.ca)
   • Enter your MyCarletonOne password
8. Complete multi-factor authentication (Azure MFA) when prompted.
9. When setup completes, select Done.

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Restart Outlook

1. Close Outlook completely.
2. Reopen Outlook.
   • Outlook may take slightly longer to open the first time while the shared mailbox is added.
3. In the left folder pane, scroll to the bottom.
4. Locate the shared mailbox, then expand it to view the Inbox and folders.

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