If you used the TurboTax online product to prepare your 2018 tax return, use this link to find your 2018 AGI: https://ttlc.intuit.com/questions/1900840-how-do-i-find-last-year-s-agi
If you used the CD/download product installed on your computer, TurboTax does not have a copy of your tax return. The only copy would be on your computer.
