You do NOT import or open the .tax2020 file in the 2021 program ... you TRANSFER it ...
How to Transfer into the Windows Desktop programhttps://ttlc.intuit.com/community/entering-importing/help/transfer-last-year-s-return-to-turbotax-fo...
How to Transfer into the Mac Desktop programhttps://ttlc.intuit.com/community/tax-data-file/help/how-do-i-transfer-last-year-s-return-into-the-t...
