See this TurboTax support FAQ for a prior year AGI - https://ttlc.intuit.com/community/agi/help/how-do-i-find-last-year-s-agi/01/25947
You can also get free transcripts of your federal return from the IRS - http://www.irs.gov/Individuals/Get-Transcript
See this TurboTax support FAQ for the current year AGI - https://ttlc.intuit.com/community/agi/help/where-can-i-find-my-current-year-agi/00/26310
Click on Tax Tools on the left side of the screen. Click on Tools. Click on View Tax Summary.
