Triggering 1040X ammendment process
I already filed weeks back, but Turbotax launches with the following (it's worth noting I did file these forms when a e-filed):

Hitting Continue clearly shows that the filing is complete:

At this point it's not clear where to amend. If I start the amend process from a non-loaded file, it amend process starts totally blank. How does one trigger an amendment 1040X at this point? This is the TT full client on Mac.