It also works with all the Office versions that Microsoft has released over the years - Office 2019, Office 2016, and Office 2013, and things quickly become confusing.įor those who want to install and run two versions of the Office suite on Windows 10, there are some pre-requisites you need to fulfill. It works both in the browser and desktop apps. And then, there is Office 365, which is a subscription service. Microsoft Office is available in multiple flavors.