Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Dear Favour Nwachukwu2 Thanks for using Microsoft products and posting in the community. I wish I could solve your problem, but Authenticator issues may require support in a specific area of expertise. You might consider consulting with Microsoft Q&A | Microsoft Learn (English only), where experts may have a better understanding of how to resolve your issue.
Here is a link to the Microsoft Authenticator - Microsoft Q&A (English only) where you can suggest specific scenarios and share ideas for solving problems.
I sincerely hope that your query was handled properly after you contacted the relevant department.
Thank you for your understanding and co-operation. Best Regards,Maxine | Microsoft Community Support Specialist