I have a MacBook Air (purchased a few months ago) to use as my work laptop computer. I use it for word processing, excel, outlook, internet research etc. and not much more. I am connected to our Microsoft Small Business Server when at work.     My outlook seems to be constantly "updating local" and this slows down the operation of the whole computer so it stops and thinks every few minutes which is incredibly annoying. Is there any way of stopping it from doing...