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.
You can revert your form to previous vision with our Revision History feature. More about how to How to View Form Revision History you can find in this articles:
You can also clone your forms and save cloned forms (like a backup copy of its original version).
Check this user guide http://www.jotform.com/help/27-How-to-clone-an-existing-form-from-your-account
Hope this will help. Let us know if you need further assistance.