1. Right-click the Start button Windows Start button in Windows 8 and Windows 10 (lower-left corner), and select Apps and Features on the pop-up menu.

    Screenshot of start menu showing Apps and Features
  2. Select Microsoft Office 365 ProPlus - en-us and select Modify.

  3. In How would you like to repair your Office Programs, select Online Repair to make sure everything gets fixed, and then select Repair.


  4. Follow the instructions on the screen to complete the repair.