Has anyone successfully efiled an amended return. I get a message saying I cant efile because I didn't efiled my original return. I did efile the original return 2 months ago and received a refund for that processed efile return. I open that same IRS processed efile and do an amended return, and when I go to file the amended return turbo tax will not let me do it because it says I haven't efiled the original and says I have to mail it. Talked with customer service which was worthless.