You can download the .tax2019 data file for free. But then you need a desktop program to open it. So you could buy a lower Desktop program like Deluxe to open it. I'm not sure if an accountant can open it using the professional Intuit programs.
How to Save an Online return to your computer as a .tax file
https://ttlc.intuit.com/community/saving/help/how-do-i-save-my-turbotax-online-return-as-a-tax-data-...
