Add a Shared Calendar in Legacy Outlook for Mac

Follow these steps to add a shared calendar to Legacy Outlook for macOS.

Open Legacy Outlook for Mac.
Your email appears by default. In the lower left corner, select the Calendar icon.
Calendar view appears. Make sure the Home tab is selected. Click Open Shared Calendar.
The "Open Calendar" prompt appears. In the "Search for a person..." field, type the name associated with the calendar and select it from the drop-down results. Click Open.
Outlook closes the "Open Calendar" prompt. The shared calendar opens. For Legacy Outlook for Mac, the monthly view is set to overlay multiple calendars by default.
You're done. Note the shared calendar option also appears in the Outlook calendars sidebar. Need help? Place an Outlook service request with the IT Services TechSquad.