macuser_22, thank you so much!! I'm using the CD download version, and had previously gone into Forms mode in an attempt to enter the information manually, but ...

Thank you, macuser_22. The taxes were paid with filing extension form 4868 - I used the word "estimated" since I did not have all my numbers available at that t...

Thank you for your reply! Yes, I followed all the steps you indicated in your last paragraph to enter the amount of the estimated tax paid. It's all for 2018 fe...