How do I delete submission storage?

How do I delete submission storage?

Submission storage is nothing but the number of submissions being stored in your JotForm account. I see that your account is currently having 309 submissions. Since Free accounts can store up to 500 submissions, your account is good in standing. If you want to clear the storage space, you'll need to delete the submissions from the forms in your account. Also, please be noted that the deleted submissions cannot be restored in any way and the action is permanent.

Hope this information helps!