In order to start the process over, you would need to Clear & Start Over. Please
keep in mind that choosing to clear and start over will do just that.
It will go back BEFORE you entered in all of your information. You will
also not be able to clear & start over if you have already paid or
registered your return.
If you still wish to do so, the following FAQ article provides instructions on how to do so:
https://ttlc.intuit.com/replies/4248526