Outlook becomes unresponsive and takes a long time to process the invitation, mostly it pauses very annoyingly.

It also stays on the invitation when I click to another email in my inbox ie I select another email and the conternts chnage but the header information stays the same - this cant be right as Outlook freezes and most of the time I have to quit and relaunch Outlook.

I have rebuilt my database, and I have even removed the Microsoft User Data folder and had it start fresh, with out any luck.

Im on 10.8.5, Outlook 14.3.9