Follow the instructions in the FAQ below to access prior year returns.
https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-access-my-prior-year-return/00/27010
I used Turbo Tax in 2018 and 2019 but can not see comparison
Follow these steps to view the comparison worksheets.
How do I get a copy of a return I addfiled this year ...