We don't officially support a way to turn your TurboTax PDF into a tax data file, nor the other way around. Read the following Help Article for more information: Can I convert my PDF into a tax data file, or vice-versa?
Your tax data file can be read and edited in TurboTax.
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What files do you have? If you have a tax data file ending in .tax2019 or .tax2018 etc. you need that year's program installed to open it. What problem are you having?
If you have a .tax file but don't have the program to open it you could try the TaxPrinter service to convert a .tax file to pdf at