Also see: Accessing a Shared/Delegated Mailbox from Outlook Desktop App or Accessing a Shared/Delegated Mailbox from Outlook Mobile (iOS or Android)


Note: You can only add a shared mailbox if you have been assigned permissions for it. If you have any trouble with these steps, please reach out to Pinnacle for assistance at 260-205-8900 or [email protected].


If you have been made part of a shared mailbox, you can add that shared mailbox to Outlook Web Access, just like it shows up in the Outlook desktop application.


  1. Log into https://outlook.office.com
  2. Right-click "Folders" (left side, over inbox)
  3. Click Add shared folder
  4. Start typing shared folder's name
  5. Click Add