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.
Yes there is a way to achieve that by enabling the Autofill feature on your form. Here's a quick guide on how to do that How-to-Enable-Auto-Fill-Feature-Save-Form-Entries-to-Continue-Later
There are other methods on achieving this so I'll also list them down for your reference. But doing the above is the simplest (but temporary, since it's browser-based) way of allowing your users to go back to their forms at a later time without losing progress.
1. How-to-Save-Forms-and-Continue-Later (permanent way and more applicable to very long forms)
2. How-to-Let-Users-Update-Their-Form-Submissions-at-a-Later-Date (this one is not exactly what you need but may come in handy in case you wanted something similar in the future)