This FAQ tells you how to deactivate (delete) you TurboTax Online account: https://turbotax.community.intuit.ca/community/navigating-turbotax/help/how-do-i-deactivate-delete-m...

Please email the form to close my account.

Thanks,

@MaxTax500- Unfortunately we can't email you. You can contact our customer service who may be able to send you this form through email.

  https://turbotax.community.intuit.ca/community/product-information/help/contact-us/00/873707

Please note that when you complete this form that everything will be gone and you will no longer be able to retrieve your returns.

https://turbotax.community.intuit.ca/community/navigating-turbotax/help/how-do-i-deactivate-delete-m...