USB, memory cards, disks on remote computers within your network, folders on Cloud services (Dropbox, etc.) With each resynchronization, the app finds and copies only new files and new file versions, thereby reducing synchronization time and extending the life of your storage devices. Sync Folders is perfect for folder synchronization on the external storage devices including: The app is an easy-to-use for beginners, has the ability to fine-tune synchronization settings for the most exacting professionals. Sync Folders is a free version of the popular Sync Folders Pro utility.