For each tax year, there is a separate sign-in page for the online edition of TurboTax.
- TurboTax Online for tax year 2019
- TurboTax Online for tax year 2018
- TurboTax Online for tax year 2017 or earlier: No longer accessible; to prepare a new return for tax year 2017 or earlier, see our download edition.
If you have a TurboTax account, use the same user ID and password to sign in to any of the tax years. If you don't have an account or want to use a new account, select Create an account on the sign-in page.