If you canceled the amended return and didn't print and mail it in, then no amended return was filed. And, you can check to see whether your tax return was filed by simply re-opening
your return or signing back in to TurboTax. Your filing status should be the
first thing you see, it will either say e-file or Ready to mail for your
status. If you do not see your filing status, then you will need to
revisit your return and complete the filing process.