How the effity-eff-eff does any Govt. or company permit cloudy Office?
Strikes me that this is a security hole large enough to drive a super tanker through sideways.
When a client has no effective control over what data is sent to an off site server, they also have no control over who might ultimately view that data. What is to stop some rogue state (ie. my own bloody minded data slurping Australia) requiring document duplication?
Yes, you may use Office 365 offline, but from my reading, it appears that certain "features" kick in automatically/uncontrollably whenever an internet connection is present.