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.
To free up space you need to delete the submissions that contains attached files or delete all submission if you wish, to accomplish this simply:
1) Go to MY FORMS.
2) Select your form.
3) Click on Submissions.
4) Then click on the Delete icons to delete one by one:
Or simply click on Delete All submissions if that is what you want (if you do this, make sure you download them as a PDF, CSV or Excel file):
Let us know if you need more help, we will be glad to assist you.