Connecting to Shared Calendars and Mail

In Outlook, click on File - Open - Other User's Folder

Drop the folder type menu down and select calendar

Click on the "Name" button

Type in the name and select the item from the menu, click Ok to add it to your calendar list

Click Ok

It should now be added to your People's Calendar section under your Calendar Items.
To move between the calendars, simply check and uncheck the boxes next to the calendar items