Just downloaded a 2017 tax data file from the TurboTax website without error.

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To access your current or prior year online tax returns sign onto the TurboTax website with the userID you used to create the account - https://myturbotax.intuit.com/

Scroll down to the bottom of the screen and on the section Your tax returns & documents click on Show.  Click on the Year and Click on Download .tax file or Download/print return (PDF)

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