JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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.
If you mean editing the data(s) on a submission filled already by enduser of that form. Yes it is possible.
If you follow the steps on this user guide manual, you can easily manage it.
However, if you still need our support, we would be glad to assist you.