TurboTax accounts cannot be deleted. If you have information in your account and you have not filed a return, you can use the Clear and Start Over option to remove the data from the open return. See more information below:
https://ttlc.intuit.com/replies/4248526
If you have more questions, you can contact TurboTax Customer Support through the links below:
https://ttlc.intuit.com/replies/3300041
