ZBack is a free and portable backup and synchronization utility for Windows. It can be used to copy, mirror, or sync files, folders, and entire drives between USB devices, internal disks, external storage, or network locations. This lightweight tool requires no installation and can be run directly from a USB flash drive.
ZBack | Free Backup and Synchronization Software


ZBack is a simple yet effective file backup and directory synchronization tool designed for users who need a fast and portable way to manage data. Despite its small size, it offers multiple modes for copying and syncing files across different storage locations.
It works seamlessly with removable drives, local storage, and mapped network paths, making it useful for both personal backups and basic file management tasks.
Key Features
- File Synchronization: Sync files and folders between different locations
- Backup and Mirroring: Create exact copies of directories or drives
- Multiple Modes: Includes simple sync, simple backup, manual mode, and batch operations
- Filtering Options: Include or exclude specific files and folders
- Portable: No installation required, run directly from a USB flash drive
- Lightweight: Extremely small footprint with minimal system resource usage
Use Cases
- Backing up important files to external drives
- Synchronizing folders between multiple computers
- Mirroring directories for redundancy
- Maintaining consistent file versions across USB devices
Important Note
The original developer website appears to be offline or discontinued. Because of this, availability may rely on archived sources or third party mirrors. As with any older utility, use caution and verify downloads before use.
Specifications
- Author: David Zorc (Zagreb, Croatia)
- Original Website: Project Page (Archived)
- Extracted Size: 660 KB
- License: Freeware
- Rating: 4 Star
- Operating System: Windows
- Application Type: Backup and Synchronization Tool
Download ZBack
You can get this portable backup and synchronization utility here:
ZBack Download
Final Thoughts
ZBack is a straightforward and lightweight solution for basic file backup and synchronization tasks. While it may not offer the advanced features found in modern backup software, its simplicity and portability make it a practical choice for users who need a quick and efficient way to manage files across multiple locations.
If you are looking for a small, stand alone no installation free backup software tool for use on a USB drive, it is still a useful option, though users should be aware of its discontinued status and consider keeping alternative tools on hand.