A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
If you have performed the full online repair from the Settings App - Apps - Installed apps and that did not resolve the problem, then the best option is to completely uninstall Office form there, then go to your account online and reinstall Office from there.
Before performing this process, please log into your Microsoft account on this link (https://account.microsoft.com/services/) and check to ensure your Office licence or Microsoft 365 subscription is listed correctly on your account.