For IT administrators or advanced users, the is the most surgical method.
Open the and go to Programs and Features (or Apps & Features in Windows Settings).
: If you believe your license is still valid but the software is glitching, try an Online Repair . Go to Settings > Apps > Installed Apps , find Office, select Modify , and then choose Online Repair . User Perspectives on Activation Issues
A: Uninstalling Office does not delete your Word, Excel, or PowerPoint documents. They remain on your computer. However, it is always good practice to back up important files before performing software maintenance.