Need help with changing my email on my account

Only the email associated with your account will be changed:
http://support.xbox.com/en-US/my-account/microsoft-account/change-email-sign-in-for-microsoft-accoun...

I followed the steps from the support agent he said you have to make the email you want to use in a new microsoft account your secondary email and add another email as primary then remove the secondary email and now it will be available to be used in another microsoft account i did these steps and tried adding it after 48 hours but it said an account with the email already exists also i cannot login to my minecraft game anymore i'm very frustrated

also it shows my email that i want to use in a new microsoft account under my profile even after i changed it help please

Hello, first it's a pleasure to be able to help you today.

My name is Welcome to the community.

Hello Reverence, in cases like this, the ideal would be to contact Xbox support so that they can help you, and if you add a new Alias to your account, do not delete the original account email.

Go to: https://support.xbox.com/en-US/contact-us/

See the bottom left part of the page and make sure that the page has the correct region that you are in (ex: United States - English for USA)

If not, click on it then select the correct region that you are in.

Check and confirm that you are within the available time of support under Contact times.

Click Contact us

Select the drop-down menu options that will match your concern.

On the page, see the provided support articles that may help you with your concern. Click See contact options if further assistance is needed.

On the next page, select either Chat online or Request a call option then follow or enter the needed details.

I need help i changed my email to my xbox account but its still sending all my emails to the old one and it shows the the old as my email instead of my new one on games and when i register for things how do i change this??

You can take a look at this Xbox support article for step-by-step instructions on changing your Microsoft account email address: https://support.xbox.com/en-US/my-account/microsoft-account/change-email-sign-in-for-microsoft-accou...

You may need to have access to your father's email to help verify the email address change.