Good thing we have a Microsoft Office removal tool Mac that you can use for uninstalling office on a mac completely. The other type is an Office installation from the Microsoft Store app. The most common installation types are Click-to-Run and Microsoft Windows Installer (MSI). The steps to uninstall Office depend on the type of installation you have. Uninstall Office for your installation type. Your IT department might set automatic updates for you. Under Important Updates, choose Install updates automatically, and under Microsoft Update check the Give me updates for Microsoft products and check for new optional Microsoft software when I update Windows box to get the Office updates. To download an update manually, see Office Updates. Try Microsoft Update or contact your company help desk. If Update Options is missing and there's only the About button, you either have a volume license install or your company is using Group Policy to manage Office updates. Mac Update Microsoft Office Lost Access To Windows 10.