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 fist-fulls of apps.īut when you get down to it, there are really only two kinds of Office. Microsoft Office may be the de facto productivity tool for millions of workers worldwide, but it's no monolith.