I am preparing my 2018 return.I am not preparing for a business, I am preparing our personal return.The problem is that TT is calculating that I should pay tax ...

YES!This is the same as my problem!I have verified that the 2017 Extension Payments Made in 2018 are in the correct column on the calculation worksheet, however...

In 2018, I filed for extension for 2 -2017 sate returns and made an extension payment with each.Because we are cash basis, I did not take a deduction on my 2017...