Microsoft Office may be the de facto productivity tool for millions of workers worldwide, but it's no monolith. Rather than a single, towering smooth-black Office, there's a whole Stonehenge of options: Office on the iPhone, on iPad, Office on Android smartphones, Office on personal computers, Windows and macOS, Office with a handful of applications, Office with fistfuls'.

But when you get down to it, there are really only two kinds of Office. One, which most label Office 2016, is the stand-alone suite that traces its roots back to the last century. (Its successor is Office 2019.) The other, Office 365, is the subscription service that debuted in 2011.

To read this article in full, please click here