A FREE and PORTABLE File Synchronization Tool

If you have been hedging on backing up your personal files because you do not understand the in’s and out’s of backup software, then take a look at FreeFileSync.

FreeFileSync is an open source application, that is FREE, that is available as a portable app, looks good, is fast, and just plain gets the job done.  This application is a good starting point for those who want to backup their computer files (such as documents, pictures, music, movies, etc…) without the heavy learning curve.  I currently use this software at my part-time job (with the IT Manager’s blessing) to backup the office data files (to a portable drive for off site storage) and also use it at home to backup my personal files to external drives.  The only way to learn how backup software works is to jump right in and play around with it.


Key Features of FreeFileSync are:

  1. Compare files (bytewise or by date) and synchronize them.
  2. No limitations: An arbitrary number of files can be synchronized.
  3. Unicode support.
  4. Network support.
  5. Built-in support for very long filenames (more than MAX_PATH = 260 characters)
  6. Synchronization database for propagation of deleted files and conflict detection
  7. Support for multiple folder pairs with distinct configuration
  8. Full support for Windows/Linux Symbolic Links and Windows Junction Points.
  9. Lean & easily accessible UI: Highly optimized for speed and huge sets of data.
  10. Algorithms coded in C++ completely.
  11. All progress indicators optimized for maximum performance!
  12. Create Batch Jobs for automated synchronization with or without GUI.
  13. Focus on usability:
    1. Only necessary functionality on UI: no overloaded menus or icon jungle.
    2. Select all folders via drag & drop.
    3. Last used configuration and screen settings are saved automatically.
    4. Maintain and load different configurations by drag & drop, load-button or commandline.
    5. Double-click to start external application (e.g. show file in Windows Explorer)
    6. Copy & paste all grid data as text
    7. Delete superfluous/temporary files directly on main grid.
    8. Right-click context menu.
    9. Status information and error reporting
    10. Sort file-lists by name, size or date.
  1. Support for filesizes larger than 4 GB.
  2. Option to move files to Recycle Bin instead of deleting/overwriting them.
  3. Ignore directories “\RECYCLER” and “\System Volume Information” with default filter. (Windows only)
  4. Localized versions are available for many languages.
  5. Delete before copy: Avoid disc space shortages for large sync-jobs.
  6. Filter functionality to include/exclude files from synchronization (without requiring a re-compare!).
  7. Include/exclude specific files from synchronization temporarily.
  8. Create sync jobs via GUI to synchronize automatically (can be scheduled or executed via double-click).
  9. Handle daylight saving time changes on FAT/FAT32 volumes correctly.
  10. Portable version (.zip) available.
  11. Native 64-Bit version.
  12. Check for updates from within FreeFileSync automatically.
  13. Copy locked files using Windows Volume Shadow Copy Service. (Windows only)
  14. Create regular backups with macros %time%, %date% within directory names
  15. Copy file and folder create/access/modification times when synchronizing


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4 thoughts on “A FREE and PORTABLE File Synchronization Tool

Add yours

  1. Bill,

    The nice thing about this app is the “portability”… I’ve been using it for quite awhile.

    Snow is over, but the piles are left. This winter has been a good test for us all.



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