Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
If you are being asked to verify the account, first select Use a different verification method on the verification-code screen. This will display all the verification methods currently registered to the account. If you cannot access any of the available methods, the next step is to submit the Microsoft account recovery form.
Please note that Microsoft support agents cannot add, remove, or change account security information, nor can they bypass the verification process. These protections are in place to keep your account private and secure.
I understand that this may not be the outcome you were hoping for, and I truly appreciate your patience.