How to download and look at a .tax file

see screenshots, and learn more about TurboTax Tax Return App. Download TurboTax Tax Return App and enjoy it on your iPhone, iPad. See if you qualify to e-file your taxes for FREE. Many New York State taxpayers can file their state return at no cost using Free File. tax file can only be opened in the TurboTax CD/Download software. Because it's stored locally on your computer, we can't retrieve tax data files.