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.
Yes, you can open existing forms in V4 builder. To do that please follow:
1. Go to Settings of your account:
2. And simply change Form Builder to V4:
After selecting that option, your form should open in V4 builder.
If you have any further questions please let us know.