Please review the following information on how to file a previous year return through TurboTax. You would have to use our TurboTax Desktop software to do so since TurboTax Online doesn't support filing past year returns. If you are needing copies of your prior year W2s the best way to start would to try to get a copy of them from your employer; however, you can get these from the IRS.
This is the link to obtain your past year W2s from the IRS.
https://www.irs.gov/help-resources/tools-faqs/faqs-for-individuals/frequently-asked-tax-questions-an...
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