Office365 How do I install Office ProPlus on Windows? How do I uninstall Office from my Windows computer? How do I install Microsoft Office on a Mac? How do I uninstall Microsoft Office on a Mac? How do I install Office Mobile on an Android device? How do I install Office Mobile on an iPhone? How do I open files from OneDrive? How do I save files to OneDrive? How do I deactivate an Office 365 license?