Re: Clouds rule OK!
Counterpoint: I use LibreOffice in my businesses, and have setup several other large and small companies to use it. We all find it to be perfectly fine for our needs.
But don't pay attention to me (or Cavehomme_), that's just a couple of testimonials, neither of which mean anything in your world. Instead, why not download a copy for yourself and try it out? It's not like it'll cost you anything but a couple minutes of your time ... Which you'll get back next time Microsoft's Office365 throws a temper tantrum, should you decide to make the switch.