All TurboTax Online customers who filed last year (including Federal Free Edition customers) can view prior years Adjusted Gross Income (AGI) directly from Timeline (seen when you first sign in to TurboTax Online).
Your Prior Year AGI is needed to e-file your return.
To view your prior year AGI (you must use the same account used last year - username and password)
1. Sign In to your prior year TTO account (if your using a different account from last year, your AGI will not transfer)
2. Go to the prior year section of "My Tax Timeline"
3. Click "View adjusted gross income (AGI)" (see image below).
You can obtain a copy of last year's tax transcript online using IRS link: https://www.irs.gov/individuals/get-transcript