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.
If you would like to delete your submission data, you can follow this guide: https://www.jotform.com/help/377-How-to-Delete-Form-Submission-Data.
However, please note that deleting submissions is irreversible, the data will be permanently removed in our servers without any backup. I strongly suggest that you download your submissions and the file uploads on them to have a copy. Here are some guides that will help you:
Let us know if you have questions on this.