What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
First of all, sorry about that. You are right, "Configurable List" needs to be improved for this. I'm going to open ticket to our developers about this.
Alternatively, you can try other report formats. For example, "Grid Report" has better looking than excel and it groups the values. HERE is the tutorial about how to do it. If you want to downloadable version of the report, you can use THIS method to download it in PDF format.
For any other questions, always feel free to contact us.