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.
Are you referring to a function where your user can upload their files? If yes, then you can add the "File Upload" tool in your form.
If this is not what you need, please provide more details about your issue so that we can assist you properly. Thank you.