How can AT & T Email Support help me in updating my ATT Yahoo email account?
AT & T Email Support is a helpful platform. If you want to update your ATT Yahoo email account then you should go to Profile and then Contact info. Now, Select the Email tab. In the User ID (formerly AT&T Access ID) email section, you should select Edit. Enter the email and select Save.
https://www.emailsupport-contact.net/att-email/