Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Please provide some more detail on this problem you are experiencing.
1
What error is indicated in the Office apps on your Mac, is it an 0x0 error when you try to log into the Office apps, and have you just installed the apps?
2
At the top left of your Mac desktop, click the Apple icon and select 'About this Mac', what version of MacOS is installed on your computer?
3
Log into your Microsoft account on this link, do you find your Office licence linked to your account there.