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.
Unfortunately, Your uploaded file has copy on JotForm in all circumstances. There is no way to disable this.
If your form has a Box.com integration, your uploaded files will be stored on both JotForm and Box.com.
However, you can always delete your submission on JotForm. By doing this, you can delete these uploaded files on JotForm.
To do that,
1) Open the "Submissions".
2) In "Submissions", you can delete all of your submissions or one by one.
If you need more information, please let us know.
Have a nice day.