To change your TurboTax username, the first step is to regain access to your account by submitting a formal Account Recovery Request. To verify your identity you will need to upload a photo of a government ID, like a driver's license, state ID, or passport.
To to this, please open the link below:
How to recover access to your Intuit Account
After you gain access to your Intuit Account, you can change your username:
- Sign in to your Intuit Account.
- Select Sign in and Security from the menu.
- Click on the user ID section.
- Enter your new user ID and click Save.