@Outback What are you trying to do? You do not export an online return to a txf file. You download the data file ending in .tax2021 (or .tax2020 etc.) to open in the Desktop installed program. Or what data are you trying to export to a txf? A brokerage account or from Quicken or ??
Save the tax file
https://ttlc.intuit.com/community/saving/help/how-do-i-save-my-turbotax-online-return-as-a-tax-data-...
