I made a copy of my filed 2018 tax return file and renamed it. I then opened my TurboTax premier program (computer version), It opens to a page titled "Continue Your 2018 Tax Return" which lists my 2018 accepted return file and my renamed file. I selected "Amend a Filed Return" at the bottom right of the page, then selected the renamed file. The file loads and still shows the same data as my filed return, such as my Federal Return amount. I select continue. I answer "yes, I've already filed..." and "I need to amend my 2018 return", then select continue. At this point I see the window "Federal Tax Due" change significantly - changing a refund into a MAJOR amount due.
I opened the 1040x. I have NOT made any changes to the return. However, I see Column C line 13 changed from 1$27,179 to 7,179 and all of the entries in column B have negative entries.
How do I fix this problem?
