i need a copy of my 2016 tax files

[Critter]

To access your current or prior year online tax returns sign onto the TurboTax website with the userID you used to create the account - https://myturbotax.intuit.com/

Scroll down to the bottom of the screen and on the section Your tax returns & documents click on Show.  Click on the Year and Click on Download/print return (PDF)

See this TurboTax support FAQ for upgrading to Plus - https://ttlc.intuit.com/questions/2586262-how-do-i-purchase-turbotax-plus-so-i-can-get-my-tax-file

You can also get free transcripts of your federal return from the IRS - http://www.irs.gov/Individuals/Get-Transcript

[Flourish56]

I need a copy of my 2016 

[xmasbaby0]

@Flourish56 The system is currently in transition from 2018 to 2019 and until that process is complete in early December, you will not be able to purchase PLUS in order to gain access to past returns.  

Meanwhile you can get a free transcript from the IRS:

https://www.irs.gov/individuals/get-transcript