All files that have been uploaded through your online forms appear as downloadable links in the Results section when viewing each submission separately (in the View Submission lightbox).
By default, any person can use the link if having access to it. In Security → Uploads Permissions, you can secure these links either by a password or only when you are logged in to your 123FormBuilder account.
Here is a list of the most frequently asked questions. For more FAQs, please browse through the FAQs page.