Oh, you'd like it to be that simple wouldn't you? Office is both a standalone product and an optional subset of Office 365. Oh and if your Office 365 license

Oh, you'd like it to be that simple wouldn't you? Office is both a standalone product and an optional subset of Office 365. Oh and if your Office 365 license is just standard but you have an individual license for Visio or Publisher then you can have Office installed locally with Office 365 integrate except for those individual licenses that you have install separately and aren't integrated. And then there's client versioning because licenses could be perpetual, instance, instance or prior. I could keep going.... All that being said, Microsoft has made efforts with 365 to fix these issues and the abolishing of the Sales Silo can only help matters.