How can I connect Dropbox to JotForm?

You can connect your form with your Dropbox account by following this guide:

https://www.jotform.com/help/77-Upload-to-Dropbox-with-JotForm

If you are expecting to receive file uploads through your forms, you may also want to check out the following guide:

https://www.jotform.com/help/33-Changing-the-Upload-Size-Limit

Please let us know whether you need any further clarifications or assistance, we'll be happy to help.