I wrote a long-ish post about by experiences with O365 on my 12.9" IPP here.
Short version:
Short version:
- For most day-to-day use, Word and Powerpoint are fine. The biggest issue I ran into was the inability to edit styles and document margins.
- Excel is the weakest of the three, with no macro and a lot of functions are missing. I am not a big Excel user so this is not a big deal.