FolderClone File Mirroring Utility: Automatically Copy from One Computer Disk Drive to Another Fast, flexible and easy backup, synchronization, replication, and mirroring of important files on most storage media. Use FolderClone to back up data files and synchronize your laptops to your desktops. Protect your files and share files throughout your organization. Once configured, FolderClone compares the "source" folder against the "target" folder at the user defined time intervals. FolderClone runs automatically in the background without any further user interaction required.