Integration with Dropbox

I just integrated with dropbox and tested out the form. The form had three text fields and an upload file button. I uploaded an image but cannot find it in any dropbox folder. Where do I find it and can I set the dropbox folder to send submissions?

You could learn more how to integrate your form to Dropbox by following this guide: https://www.jotform.com/help/77-Upload-to-Dropbox-with-JotForm 

Basically, the main submission folder should be in the root folder of your Dropbox. Here's a screenshot showing you the option to where you can setup the folder path of your submissions:

If you wish to have custom names in your submission folders, this guide might help: https://www.jotform.com/help/255-How-to-Setup-Folders-Using-UniqueID-in-Dropbox 

Let us know if you need more information on this.