No! Online is only good for 2017 now. You have to file each year separately. You can only efile the current year 2017 return. You have to print and mail prior year returns.
Online is only good for the current year 2017 so you have to buy the Desktop CD/Download program here https://turbotax.intuit.com/personal-taxes/past-years-products/
Or you can get the blank forms from the IRS and do them by hand. Either way you will have to print and mail prior year returns. And send each year in a separate envelope so the IRS doesn't miss any.