A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Exit all Office apps and then run an Online Repair. See https://support.microsoft.com/en-us/office/lifecycle/repair-an-office-application .
Before you begin, verify that you can access your Microsoft account at https://account.microsoft.com/services and that your subscription product is associated with the account. That way, you know that you can reinstall Office, which is usually the final step of an Online Repair.