Here's the steps:
Sign out of the mobile app by going to the menu in the upper left corner and selecting Sign Out.
In your web browser, use your app login to sign in at TurboTax.com and select the Take me to my return button.
Go to the menu on the left side and select Tax Tools, and then select Clear & Start Over.
Answer Yes in the pop-up to confirm.
Select Sign out at the very bottom of the left menu.
Sign back in to the mobile app. You'll have a clean slate.
