You can change your Apple ID to any other email address you control, as long as it's not already in use as an Apple ID.
If your email address ends with @icloud.com, @me.com, or @mac.com, you might not be able to change your Apple ID.
You also won't see Change Email Address on your account page.
While you can't change your Yahoo ID or primary email address, you have the option to create an extra email address – a second Yahoo email address available with your existing Yahoo ID account.If this doesn't work for you, you can always start over and create a brand new Yahoo account.However, you can change your primary Yahoo email address for Yahoo Groups: First, make sure that you’re signed in to the Yahoo ID in question.Your Apple ID uses email addresses to sign you in to your account with Apple.With your Apple ID, you can access services like the App Store, Apple Music, i Cloud, i Message, Face Time, and more.
We'll use your email addresses to send you information about your account, and to help friends and family communicate and share with you.Rescue email address You have the option to add a rescue email address to your account for more security.You can see it when you sign in to your Apple ID account page.Before you can use a new or updated Apple ID, we'll send you a verification email to make sure the email address belongs to you.When you create an Apple ID, you enter an email address.This email address is your Apple ID and the username that you'll use to sign in to Apple services like i Tunes and i Cloud.