Computerworld - https://www.computerworld.com/article/3205968/office-software/what-are-the-differences-between-office-2016-office-2019-and-office-365.html#tk.rss_all
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