When files are dropped or selected, GF uploads that file to a tmp directory, with a randomised name.
When the form submit button is pressed, that file in the tmp is deleted.
The uploaded file is no longer on the server.
Can anyone confirm or advise where the final destination of the file lives \ exists ?
The files that are uploaded in a Gravity Forms form will be stored in the wp-content/uploads/gravity_forms/ directory, separated into folders with long names, starting with the form ID, like this: