Paid tax preparers cannot use the online TurboTax program. It would violate the terms of service. If he was a paid professional he would have to use the professional software, which you cannot access. Even if it was just a family friend who did your father a favor and prepared his return unless you know the account and user ID he used, you cannot access the account.
You can get a free transcript from the IRS, or for a fee of $50, you can get an exact copy of the return from the IRS.
You can get a free transcript from the IRS:
https://www.irs.gov/individuals/get-transcript
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
