To add the shared mailbox to your Outlook account:
Windows:
- In Outlook, on the left side panel, click on the ellipses by your email address.
- In the drop-down box select "Add shared folder or mailbox".
- In the popup window type the new email address. It will auto complete.
- Select the continue button.
- The window will show success. The new shared email address will appear in the left side panel.
For a more detailed guide (Classic Outlook and New Outlook included): https://oit.duke.edu/help/articles/kb0022360/
MacOS:
- With Outlook as the active application, select "File" in the menu bar.
- Choose "Open" and in the drop down select "Shared Mailbox".Image
- In the window that opens start typing the new email address.
- Select the correct one. and press "Add".
- It will check permissions and add the new email to your addresses in the left panel.