Here's how to transfer into the Mac Desktop program. You will need to have the .tax2019 file on your computer. Obviously this is from 2018 to 2019 so next year it will be 2019 to 2020.
How to Transfer to the Mac Desktop program,
https://ttlc.intuit.com/community/tax-data-file/help/how-do-i-transfer-last-year-s-return-into-the-t...
