Each year of TurboTax is only good for the tax year you bought it for. So if you have returns left from 2021, you can still use them, but only to create 2021 returns.
The codes for TurboTax CD/Download will not work with TurboTax Online & vice-versa. If you are still not able to resolve your code issue, please contact our phone support team at 1-888-829-8608.
TurboTax Online has different features to TurboTax CD/Download. So, you won't find forms mode or the Graphical Tax summary. Instead you have cloud saving, ease of use, and the ability to do your returns on any device that can open the TurboTax website or mobile app.