Office 365 (Outlook on the Web) - Adding a Shared Calendar to Your Personal Calendar
This article shows how an individual can add a shared calendar onto their Personal calendar and get caught up with events on the Shared Mailbox.
1. Log into Office 365
2. Go to the Calendar from the Application Picker3. Right click on Your calendars
4. Select Open calendar5. Enter in the shared mailbox address in the From directory field6. Click on open
The calendar should now display the events in your personal computer if its highlighted.