To change your e-mail address
- Log into your TurboTax
account
- Click on Intuit Account in
the lower left corner (See the screenshot below)
- Click on the Profile tab
- Click Edit beside Email address
You can also click on the security tab to update your password, phone number, security questions and you can also change your two-step verification (enable or disable).
Please continue reading for further information.
https://ttlc.intuit.com/replies/3301500