For which tax year?
For tax year 2019 you can use the TurboTax editions to e-file a 2019 tax return at any time up through October 15. 2020. After that date the 2019 tax return can only be printed and mailed.
TurboTax 2019 online editions - https://turbotax.intuit.com/personal-taxes/online/
Turbotax 2019 desktop CD/Download editions - https://turbotax.intuit.com/personal-taxes/cd-download/
TurboTax prior year, 2016 thru 2018, prior year desktop Download editions - https://turbotax.intuit.com/personal-taxes/past-years-products/
