The IRS only allows the current tax year and 2 earlier, to be E-Filed. That means 2021, 2020 and 2019. You cannot E-File 2016. And you cannot use this program for E-File without being a professional tax preparer that has signed up with the IRS, then registered the info with Intuit, which would include fingerprinting for the IRS, EFIN and PTIN.

@Minnie32d  

Are you Lost on the Internet? Just because you found a Match to a Number, doesn't make this the right place for your issue.