Please make sure you login to TurboTax Online with the exact same User ID and password you used last year. If you filed with TurboTax you can obtain your 2018 AGI from last year's return by following these steps:
1. Sign In to TurboTax in the correct account from last year.
2. Go to the prior year section in My Tax Timeline.
3. Click View adjusted gross income .
Also, you can request a free tax transcript online from the IRS and usually obtain it the same day.
Please see this TurboTax FAQ for more Information: https://ttlc.intuit.com/community/agi/help/how-do-i-find-last-year-s-agi/00/25947
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"