

Once you have the correct email, you can use it to log into your account, change your password, or add an alias email. There are several ways to find the email address you used to sign up for your Xbox account. Xbox Support cannot help you change the address, so you’ll have to try and get into your account. If you’ve lost your Xbox Sign-in email or forgotten the password you used to sign in, changing the old one will be slightly different. Source: Replacing a Lost Xbox Email Address

Choose which alias you want to delete, then click “Remove.”
Click on the “Your Info” navigational link at the top of the page.Log in to your Microsoft Account if not already done.
