I spotted an interesting technote the other day. Whilst outside of the Customer Focus Team for a while, I still like to watch the flow of issues come and go. This one grabbed my attention because it’s the Outlook Add-in.
The issue is that you can delete ‘special’ folders in a delegate mailbox, for example the ‘Inbox’. Not good 
Have a read of the information, and see if it is something that is likely to affect your user-base.
