Miscellaneous topics that do not fit into specific categories.
When you create an Email account, that is basically the same as creating a Microsoft account, and they usually want you to add another Email address or Phone number to your account in case you get locked out of your Email account so they can send you a recovery code to regain access to your Email account, this is just a precaution to ensure you do not get locked out of your account.
Are you now able to access your Email account?