No. You have to log in to his account. You can still file a Joint return for 2022. I assume 2021 is under his account and ssn? I guess you don't know his account id and password? If you set up a new account you have to enter everything as new and can't transfer from 2021.
To find his account. First LOG OUT of whatever TurboTax account you're logged into right now. Then use this TurboTax account recovery website to get a list of user ID's for an email address. Run the tool against any email addresses you may have used
https://myturbotax.intuit.com/account-recovery/
If he used the Desktop CD/Download program then the only copy is on your computer and not saved or stored online.
