If you own an Apple device, your Apple ID is the key to everything associated with your account. You need it to access Apple apps and services like the App Store, Apple Music, iCloud, iMessage, FaceTime, and more. In most cases, your Apple ID is tied to the iCloud email address you created when you first purchased your Apple device.
How to Change Your iCloud Email Address
The following post will help you change your iCloud email address, change/add a secondary email address/phone number, and delete your iCloud account if you no longer use it.
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You can change your iCloud email address on any device where you use Apple ID. Keep in mind that you can still access your contacts, purchases, or other account information even after you change your iCloud email address on one of your devices.
