Free Backup Utility

WinDataReflector is a free file synchronization and backup utility for Windows that helps users keep files and folders synchronized across multiple locations. It supports one-way and two-way synchronization, scheduled backups, file versioning, and cloud storage integration, making it a useful solution for protecting important data and maintaining identical copies of files between computers, external drives, network locations, and supported cloud services.

Drive Image XML is Free Backup Software. This portable backup utility can be used to create a backup image of a partition or logical drive or (clone) copy directly from one drive to another. Other features include creating hot images from drives currently in use, schedule automatic backups, and restore backup images to the same or different drive without needing to reboot.

IdleBackup is a Portable Free Auto Backup Software utility. It can be used to mirror or  automatically backup folders, files or even entire drives on a set schedule or manually. You can also set it to only perform a backup while your computer is sitting Idle (not in use), hence the name Idle Backup.