It seems like you are confused by this process and it is quite possible that your return was never filed. If you did not go all the way through the FILE section and click the orange button that says "Transmit Returns Now" then your return was not filed. Or if it was rejected, and not re-submitted, it was never filed. You have not shared what the results were if you checked your e-file status using the link that was provided to you, nor have you said what the IRS site says about your return.
If in fact your return was not filed, then you need to print it, sign it and mail it. It is not possible to e-file it now. Here is a link to what you need to do:
To finish a prior year return started in TT online:https://ttlc.intuit.com/questions/2559403-how-do-i-finish-a-prior-year-return-that-i-started-in-turb
When you mail a tax return, you need to attach any documents showing tax withheld, such as your W-2’s or any 1099’s. Use a mailing service that will track it, such as UPS or certified mail so you will know the IRS received the return.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
