Solved
Can i go back and file for 2015 only?
Yes, each years income, deductions and credits go on the tax return earned or deducted; in other words, you correctly did not include your 2015 tax forms on your 2016 return. If any 2015 tax forms were included on your 2016 return, you will need to amend to correct your return after IRS processes the original return.
You can purchase and download TurboTax to file up 3 past years' of taxes using this link:
https://turbotax.intuit.com/personal-taxes/past-years-products/
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