from Change your Apple ID - Apple Support
Follow these steps to change the email address that you use as your Apple ID.
- Sign out of iCloud, the iTunes & App store, FaceTime, Find My Friends, Find My iPhone, and iMessage on each device that uses your Apple ID.
- Sign in to your Apple ID account page.
- In the Account section, click Edit > Change Email Address.
- Enter the email address you want to use as your Apple ID. A verification code will be sent to your new email address.
- Enter the verification code from the email into the fields provided and start using your updated Apple ID. Didn't get the email?
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 can't change your Apple ID and you won't see Change Email Address on your account page.
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