E-filing in TurboTax is easy – sign in to (or open) your tax return, click File tab, and follow the on-screen instructions.
Make sure you continue through the screens all the way to the end. You need to click the green Transmit Returns Now button, pictured below, to e-file your return.
What happens next?
Assuming everything goes well, you'll eventually see a Transmission Successful screen. (Click here for help if it didn't go so well.)
After 24-48 hours, check the status of your e-filed return. Once you receive confirmation that your e-filed return was accepted, print a copy of your return for your records.
Click here for AGI/PIN rejections or click here for other e-filing rejections.
How to file a State return after e-filing a Federal return
In these situations, you'll need to file your State return by mail. Many states, like California, require what is called "Piggyback filing," meaning that the State return must be e-filed with the Federal. Even when simultaneous filing is not required, State returns are always compared to Federal before processing and review is complete, which could cause delays.