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 enable the Auto Fill feature. If you do this, your users will not lose any single data if they accidentally close or reload their browser while filling the form. Please refer to this guide: How-to-Enable-Auto-Fill-Feature
You might also want to check the Auto-Complete widget.
Hope that helps. Thank you.