How to open other user's calendar in Outlook*

1. In Outlook, go to File... Open & Export and click Other User's Folder.
   
2. Type the other person's email alias or click the Name button to search the Global Address List for them.
   
3. Click OK. The calendar should open and after this it will show in your list of Shared Calendars.

*These instructions assume the calendar in question has already been shared to you.