How do I upload my 1040 pdf that was created through a different version of Turbo Tax on someone else's account?

 

Get your taxes done using TurboTax

Why?  Do you want to transfer a 2017 pdf into 2018?
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Get your taxes done using TurboTax

Not sure you can transfer a TurboTax PDF into 2018

Get your taxes done using TurboTax

You cannot upload a TurboTax PDF file (or .tax file) to the Online version.