Can I file previous year taxes with TurboTax?

[Critter]

You can't do a prior year return online or efile it, but you can buy the Desktop Download versions for 2015-2017 from Turbo Tax here. Be sure to pick the right one, Windows or Mac....
http://turbotax.intuit.com/personal-taxes/past-years-products.jsp 

You will have to print and mail in prior year returns.