A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
The 'Repair Now' button will only perform a quick repair of the Office apps and that rarely resolves the problem.
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.
The best option is to perform a full repair of your Office installation.
Open the Settings App (gear icon on your Start Menu)
Go to Apps, then scroll down to find Microsoft Office
Select that and choose Modify - Online Repair
That should fix any issues with your Office Installation.