Event ID 27: Calendar Folder property is missing (fixed)

Fixed: After installing Office 2010 SP2 (or an earlier update), Outlook 2010 users may receive Event ID 27, "Calendar Folder property is missing" warnings in the Event viewer's Application log. While annoying, it's not harmful and should only be generated when Outlook is first started, one event for each calendar in the profile.

Outlook Quick Tip: Missing Calendar Bell

Several users who recently upgraded to Outlook 2010 or Outlook 2013 wondered what happened to the reminder bell: The Calendar reminder bell is not displayed on the month view. It's on the other views. How do I turn it on for the month view? Microsoft turned off the bell to give a cleaner appearance. You  

Outlook is slow when using mapped drives

Outlook is slow when using mapped drives, even if you don't want to use the mapped drive. It tries to connect to every drive before you can insert attachments.