TurboTax online accounts cannot be deleted or canceled. You can clear your tax data from the account and close the TurboTax window.
If you have not paid for the online edition you are using, have not filed your tax return or registered the Free edition, then you can clear your return and start over. Click on Tax Tools on the left side of the program screen while working on the 2020 online tax return. Click on Clear & Start Over.
