Can I clear and start over?

You can follow the instructions listed in the following TurboTax FAQ to clear and start your return over as long as you haven't paid or registered yet.

https://ttlc.intuit.com/replies/4248526

In TurboTax Online, you can erase your return and start from scratch as long as you haven't submitted payment, deducted the TurboTax fee from your refund, or registered. Please click the link and follow the directions https://ttlc.intuit.com/questions/2586254-how-do-i-clear-and-start-over-in-turbotax-online