Go here to find a prior year return, and go here to find last year's AGI.
The most common reason for not finding returns is signing in with the wrong user ID, which can happen if you have multiple accounts. It’s best to use the same account every year so all of your tax returns will be stored in one place.
If you need to find an account, our account recovery tool can help you find your user ID or password.
Other common situations include: