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 just need to activate the "Allow Multiple" option in the File Upload in order to allow users to upload multiple files. Here's a guide:
1. Drag File Upload field to your form.
2. Then click the Allow Multiple button.
3. Here's the result:
Note: You might want also to change your Max File Size, here's a guide on How to change the upload size limit.
You can check this guide as well if you want to limit the file types allowed to be uploaded in your form. Please check this guide: https://www.jotform.com/help/29-Which-file-types-are-allowed-for-the-upload-field
Hope this helps. Let us know if you need further assistance. Thank you!