You will need to speak with a TurboTax support agent and provide them with proof that need to access the tax return.
Support is open from 5am to 9pm Pacific time, Monday thru Friday.
Use this website to contact TurboTax support during business hours - https://support.turbotax.intuit.com/contact/
Support can also be reached by messaging them on these pages https://www.facebook.com/turbotax/ and https://twitter.com/TeamTurboTax
Or use this phone number and select TurboTax - 1-800-4-INTUIT (1-800-446-8848)
Or go to this IRS website for free federal tax return transcripts - https://www.irs.gov/individuals/get-transcript
For a fee of $50 you can get a complete federal tax return from the IRS by completing Form 4506 - http://www.irs.gov/pub/irs-pdf/f4506.pdf
