If your office apps are not working correctly a user can be able to repair the office installation. The office installation access repair files over the internet and there is no need of install media.

Steps to Repair Microsoft 365 Installation

1. On the Windows Start screen, type Control Panel. Select Programs and Features.

2. Select Uninstall a program

3. A list of programs is displayed, select Office 365 by right clicking on it and select Change.

4.Select Quick Repair

You see a final confirmation asking if you want to continue with Quick Repair. Until the repair process completes, you cannot use any of the Office programs.

5. Click on Repair

6. Wait for the repair process to finish.

7 When the repair process is finished click on Close.