Here's how to clear an online return and start over. A return that has been paid for or registered cannot be cleared.
Sign in and open your return ("Take me to my return.") Once the return is open and past the blue-green screen, click in the left menu column on TAX TOOLS, then select "Clear & Start Over."
-follow this link for additional information-
How do I clear and start over in TurboTax Online? - Community
