As a response to What is Outlook synchronizing now?
, the following was asked; In which order does Outlook synchronize the folder when it is configured in Cached Exchange Mode? There is indeed a specific order in which Outlook synchronizes the folders when you are connecting to an Exchange server with Cached Exchange Mode enabled.
If a user sets permission levels only to allow free/busy or free/busy limited details, an Outlook 2011 user will not be able to see any details of the shared calendar.
PC users must grant "full details" to the Outlook 2011 user.
Mac users must grant the "Reviewer" role to Outlook 2011 users.