This file is the tax data file (readable by the software and TurboTax online) for your return. You'll want to save a copy of both your tax data file AND your PDF (readable) of your return after filing. See more info in the TurboTax FAQ info below.
https://ttlc.intuit.com/replies/3300556
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
