- JotForm SupportJim_RAnswered on June 14, 2017 at 07:55 AM
You mentioned the 100 MB Available Space limit and this pertains to the File Uploads (not the submissions themselves) done on your forms. Yes, you may free up some space by deleting submissions that have associated file uploads in it. However, be mindful that this process can not be undone.
Here's a snippet from the guide I'm linking below:
When deleting submissions individually, you will see this warning message (see screenshot below). Please note that deleting submission data is irreversible and will permanently remove it in our servers, including the file uploads on them.
Complete guide: How-to-Delete-Form-Submission-Data
So I strongly urge you to make a backup copy of your Submission Data just in case you'd still need them. There are plenty of ways to do that, feel free pick one that will work for you: