Go to TurboTax 2020 and click on the Start a New Return option (or enter File in the above-left corner and select New Tax Return). Your 2019 tax return should be found by TurboTax when you run the search. Locate the saved File in Step 2, choose "Browse," and then navigate to the folder where you keep the File by clicking "Files." "Open" is the final step. Wait for TurboTax to transfer your data