Outlook - Opening Another Calendar
Opening someone else's calendar in Outlook 2011
STEP 1:Go to File > Open > Other User's Folder...
STEP 2:Enter the pirateid of the person whose calendar you wish to open. Click OK.
STEP 3:Select the person in the list and click on the Select button.
STEP 4:The shared calendar will appear below your calendar in the navigation pane: