If you want to prepare another return using TurboTax Online, you will need to set up another account. TurboTax Online is set up to be one tax return per account, however you can have up to 5 accounts per email address.
See the TurboTax FAQ below for instructions on how to set up another account to prepare another return.
He will need to create his own account because the online editions are only
good for
completing one tax return per account and user ID. See the FAQ below to find out how you can create a new account:
You have clicked a link to a site outside of the TurboTax Community. By clicking "Continue", you will leave the Community and be taken to that site instead.