Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hello,
Thank you for reaching out.
Could you please go to https://www.office.com and try signing in with the affected business account?
If you receive any error messages or encounter any issues during the sign-in process, please take a screenshot of the error and send it to me. The screenshot will help me better understand the issue and assist you more effectively.
I'm look forward to hearing from you.
Warm regards.