See the info in the TurboTax FAQ below:
"Why does DO NOT FILE, FORM NOT FINAL appear on my printouts?"
https://ttlc.intuit.com/replies/3300737
*** 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.***