I filed single I meant to file head of household

[rjs]

If your tax return is rejected, you can change the filing status when you fix the reason for the rejection, then resubmit it.

If your tax return has been accepted you will have to file an amended return to change the filing status. Go to the following link for instructions to amend a 2018 tax return that you filed with TurboTax Online.

https://ttlc.intuit.com/questions/4667226-how-do-i-amend-my-2018-turbotax-online-return

An amended return has to be filed on a special form, Form 1040X. It cannot be e-filed. You have to print it, sign it, and file it by mail. It takes the IRS up to 16 weeks to process an amended return.

Don't file the amended return until your first return has been accepted and you have received the original refund.