If you have already filed your return, and need to make changes, you will have to file an amended return. The 2020 Amend feature in TurboTax should be available in mid-February. However, you should wait until your return has been accepted, and you have received any refund you are expecting before amending. Note - The IRS will not start processing e-filed returns until February 12. For more information see the following TurboTax Help Article:
How do I amend my 2020 TurboTax Online return?
If you haven't filed your return and want to start over, see the following
Yes i havent. Finished them but i need to make some changes on them
If you are using TurboTax Online, you can edit/enter a Tax Form by following these steps:
If the change you would like to make relates to Deductions & Credits you can also do the following:
If you are using TurboTax Desktop, here's how to clear and start over: