How to Manually Add a Microsoft 365 Shared Mailbox to Outlook

Overview

Microsoft 365 typically adds shared mailboxes by default however at times this can fail. This article will help you add the shared mailbox manually for these instances.

Instructions

1. Open Outlook:
   
2. Click File:
   
3. Click Account Settings:
   
4. In the new drop down, click Account Settings:
   
5. Click on the account you need to add a shared mailbox to:
   
6. Click Change:
   
7. Click More Settings:
   
8. Click the Advanced tab:
   
9. Click Add:
   
10. Enter the address of the inbox, excluding the “@” symbol and your domain name:
    eg: info instead of
    
11. Click OK and wait for Outlook to finish loading:
    
12. After Outlook finishes loading, click OK on the Add mailbox window if it is still showing:
    
13. You should now see the name of the shared mailbox in the Open these additional mailboxes area:
    
14. Click OK on the Microsoft Exchange window:
    
15. Click Next on the Outlook edit settings window:
    
16. Click Done on the Outlook edit settings window:
    
17. Click Close on the Email Accounts window:
    
18. In the left hand pane of Outlook, you should now be able to scroll down and see the shared mailbox:
    

It can take up to 1 hour for emails to download to your computer depending on your internet connection speed.

If you have any trouble with the above, please reach out to our friendly support team.