I’m sorry you’re going through this issue with your account. In this case, Microsoft support agents are not able to make changes to account information, such as adding or removing details, because those protections are in place to help keep your account private and secure. I understand this may not be the outcome you were hoping for, and I truly appreciate your patience.
To regain access to a Microsoft account without being able to verify with your registered contact methods, you'll need to fill out the account recovery form. You can submit this form twice a day until you regain access to your account:
Visit the next link to get help on how to fill the Microsoft account recovery form successfully:
https://support.microsoft.com/account-billing/help-with-the-microsoft-account-recovery-form-b19c02d1-a782-dee6-93c3-dc8113b20c42
The link I shared is important, as it explains how to complete the form as accurately as possible.