What do you mean by 'already filed online'? If you have already filed, then you would need to amend to make changes to it. If you chose to file by mail and didn't, then you can go back into your return and choose to efile. If this is your case, then see the directions below.
**Mark the post that answers your question by clicking on "Mark as Best Answer"
My Case number is [social security number removed]. I need your assistance with my tax return
Please phone me at [phone number removed]. My name is Lisa Demers.
This is the TurboTax user community forum, not TurboTax support. We have no information concerning your case number and cannot call you from this forum. This is a public forum, your phone number was removed for your protection.
See this TurboTax support FAQ on how to contact Support - https://ttlc.intuit.com/questions/3401489