The IRS and TurboTax save returns for seven years, and then they are gone.
SAVE YOUR TAX RETURNS !
EVERY year before mid-October you should save a copy of your tax return as a pdf and print a copy of it for your records. That way you will not be searching online frantically when you need it for a lender, FAFSA forms, your next tax return, etc.
https://ttlc.intuit.com/questions/1900937-why-should-i-save-a-pdf-copy-of-my-return
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https://ttlc.intuit.com/questions/1912466-how-do-i-save-my-return-as-a-pdf-in-the-turbotax-software-... •
NOTE: TurboTax and the IRS save returns for seven years. Returns older than seven years are purged.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**