Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Thank you for letting me know.
It appears the security information on your Microsoft account may have been changed by someone else.
Please do not select that email address or approve any Authenticator request you do not recognize.
Go through Microsoft's Sign-in Helper here and enter your Hotmail address:
Microsoft's hacked-account guidance is here:
If you see a message saying "Your security info change is still pending," select "let us know" and follow the prompts to report that you did not make the change:
Because two-step verification is enabled, the normal account recovery form will not work if you cannot access any of the registered verification methods.
Please let me know what the Sign-in Helper tells you after you enter the Hotmail address.
Thanks!