You need to connect to a Shared Calendar while you are in Outlook Web Access (OWA).
This is done while you are logged into Outlook Web Access.
- Sign in to your mailbox using OWA. If you’re using Office 365, sign in to your account at the Microsoft Online Portal.
- Right-click OTHER CALENDARS, and then click open calendar.
- In From Directory, search for the shared calendar you want to open. Select the shared mailbox you want to open, and then click Open.
- The shared calendar displays in your Calendar folder list.