You'll need to wait 30 days without making ANY changes on the accounts. Don't reset the password. Don't download the profile to an Xbox. Don't add or change the security proofs. These things can trigger a brand new 30-day waiting period, meaning you'd
have to wait a whole month before you can change the Microsoft Account email. This is a security feature to prevent you from being locked out of your account in case someone hijacks it. Nobody can bypass the security features. It just requires patience.
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