The TurboTax online editions are Only for tax year 2020. Clear the tax return.
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.
To complete and file a 2019 and 2018 tax return using TurboTax you would need to purchase, download and install on a personal computer one of the desktop editions for each tax year required from this website - https://turbotax.intuit.com/personal-taxes/past-years-products/
A prior year tax return can only be printed and mailed, it cannot be e-filed.
