FreeFileSync for Windows  8.3
FreeFileSync is a free, open source folder comparison and synchronization application for Windows. The application also runs on Mac OS X and Linux. FreeFileSync provides you with a clean, easy to use and intuitive interface, which offers numerous features for synchronization purposes.
Key Features Include:
- Detect moved and renamed files and folders.
- Automate sync as a batch job.
- Detect conflicts and propagate deletions.
- Use macros for recurring backups.
- Optimal sync sequence prevents disc space bottlenecks.
- Access variable drive letters by volume name (USB sticks).
- Copy NTFS extended attributes (compressed, encrypted, sparse).
FreeFileSync also supports portable installation onto USB memory sticks or external hard drives.