Are you using online software or are you using the CD/download?
If you are using online:
If you have not registered, paid or e-filed you can clear and start over i
CLEAR AND START OVER
https://ttlc.intuit.com/questions/2586254-how-do-i-clear-and-start-over
If you are using the CD/download, launch Turbotax from your hard drive, then just go up to your tool bar and click FILE, then when the menu drops down choose New Tax Return and start fresh. You can easily transfer 2021 into 2022---just do it first before you enter any new 2022 information. Give the tax file a name you will recognize so you do not confuse it with the "bad" one.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**