In the User ID (formerly AT&T Access ID) email section, select Edit.
Enter the email and select Save.
Update your billing contact email separately
The email address for your user ID works differently from your billing contact email. Receipts for online payments go to your user ID email. All other billing info, including paperless bills and receipts for payments not made online, goes to your billing contact email.
Have a wireless account? If so, you can assign your wireless number to your user ID so you can recover your user ID or reset your password by text if you ever forget them. Learn how to manage the wireless number for your user ID.