Here are instructions for using Office Web App (OWA) to open a calendar someone else has shared you.
Sign in to the Office 365 portal.
Go to the Calendar.
Right-click in the navigation pane where you see Your Calendars.
Choose Open Calendar.
- Type in the users name that you are searching for and choose Search Directory. This will search the Upenn Directory,
Once the user is found in the directory, click on the user to add the calendar.
- The user's calendar will now appear under Your Calendars.
Depending upon how the calendar was shared with you, there are several different ways that the calendar may have been shared with you. The recommended level of sharing are explained on this page.
If you have any questions, contact your Local Support Provider (LSP).