After you file

@fanfare @pk 

Reporting back after phoning TT Support yesterday and finally getting transferred to an agent at the 'Resolution Desk'. She could check and confirm that my 2021 return had been successfully e-filed through TT and was accepted by the IRS. However she didn't have an answer for why my desktop TT software is showing that I have not yet e-filed, despite taking a close look with me granting her screen-sharing access.

Regardless, she said even if my TT did properly show I had e-filed my 1040, she doubts I could use the desktop version of TT to e-file an amended return.  She said with the TT Online version, you can e-file amendments, but with TT Desktop, there can be limitations and often it's not possible.  So if I need to file an amended fed and state return, I'll need to print out everything and mail it.

I also let her know that the only reason I need to amend my return is that after filing, I noticed that TT made an error in essentially importing one of my 1099's twice. It was imported with two different titles and different dollar amounts, but one was basically a duplicate of the other and thus my income is overestimated. Wish I'd noticed this before filing! At this point I will wait to see if the IRS catches and corrects this in processing my return; if not, I will mail them a bunch of paper! Thanks for your help.