I'm a Mac user, but it would be the same in Windows. The data file is a .tax2019 file on the computer that can be deleted just like any other file. It cannot be deleted through TurboTax but by using the Windows software.
https://ttlc.intuit.com/community/tax-data-file/help/find-your-tax-data-file-tax-file-in-windows/01/...
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
