Outlook for Mac cannot open another user's calendar when the user's Calendar folder permission level is set to Free/Busy. You do not have permission to open this folder. Applies to: Outlook 2016 for Mac, Outlook for Mac for Office 365Ī user grants you Free/Busy permission to their calendar, but when you try to open that user's calendar in Microsoft Outlook 2016 for Mac or Outlook for Mac 2011, you receive the following error message:.User with Free/Busy permission can't open another calendar in Outlook for Mac
