Hi,
Thank you for addressing the issue, I understand your concern, let me help you with this.
To resolve this, here are few steps to try:
- Ensure your Microsoft account recognizes the Authenticator app in security settings.
- Try reinstalling the app and resyncing it to refresh authentication.
- Use alternate sign-in
- Here is a link on backing up account credentials in Microsoft Authenticator.
As it provides detailed steps to help resolve issues where the Authenticator app is not sending verification codes. Reviewing the guide will ensure a more effective resolution—please take a moment to go through it. [Back up account credentials in Microsoft Authenticator - Microsoft Support](https://support.microsoft.com/en-us/account-billing/back-up-account-credentials-in-microsoft-authenticator-bb939936-7a8d-4e88-bc43-49bc1a700a40 "support.microsoft.com")
These steps should help, if you still face any further issue, do let me know- I am here to assist, Have a great day!
Best Regards,
Tani | Microsoft Community Moderator