Windows 8 Free File Sync and Backup Software: PureSync is a free smart way to backups and synchronize files and folders in a safe place with security encryption. You can use PureSync file compare synchronization and schedule features to automatically backup files and directories to local drives, network drives, FTP servers and MTP devices. PureSync Personal includes many filters and settings such as the deletion of old files and/or files with definable extensions. A synchronization or a backup can be started automatically, e.g. when a USB drive or digital camera is plugged in or a file has been modified or a program has been closed.