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.
You have to view your form submissions page: https://www.jotform.com/help/269-How-to-view-Submissions.
In the form submissions page, you can select submissions either CTRL + Left Mouse Click or SHIFT + Left Mouse Click then you have the option above to Delete Selected Submissions: