A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Thank you for that information, there is no problem indicated with your Office or MacOS version, this is caused by the July update, the working method to resolve this problem is to use the steps provided on the link below to completely uninstall the Office apps, then download the Office apps from your Microsoft account (https://account.microsoft.com/services/) again.
https://support.microsoft.com/en-us/office/lifecycle/officeinstall/uninstall-office-for-mac