Repair Office from the Control Panel
- Right-click the Start button (lower-left corner), and select Apps and Features on the pop-up menu.
- Select the Microsoft Office product you want to repair, and select Modify.
Note: This will repair the entire Office suite even if it's just one application you want to repair such as Word or Excel. If you have a standalone app installed, then search for that application by name.
In Change your installation, select Repair and then click Continue.
- Follow the instructions on the screen to complete the repair.
- Restart your device.