Please Visit Drag, Drop & Upload Files to Amazon S3 : User Guide to view the user guide.
This user guide will walk you through the required steps to use the Drag, Drop & Upload Files to Amazon S3 App.
PS: View Drag, Drop & Upload Files to Amazon S3, a Salesforce AppExchange app for moving files from Salesforce to Amazon S3: https://appexchange.salesforce.com/appxListingDetail?listingId=a0N3000000B5ZPqEAN
