FreeFileSync is highly optimized for performance and usability without a needlessly complex user interface.

Features

  • Detect moved and renamed files and folders
  • Copy locked files (Volume Shadow Copy Service)
  • Detect conflicts and propagate deletions
  • Binary comparison
  • Full support for Symbolic Links
  • Automate sync as a batch job
  • Multiple folder pairs
  • Copy NTFS extended attributes (compressed, encrypted, sparse)
  • Copy NTFS security permissions
  • Support long path names > 260 characters
  • Fail-safe file copy
  • Cross-platform: Windows/Linux
  • Expand environment variables like %USERPROFILE%
  • Access variable drive letters by volume name (USB sticks)
  • Native 32 and 64-bit builds
  • Keep versions of deleted/updated files
  • Optimal sync sequence prevents disc space bottlenecks
  • Full unicode support
  • Highly optimized performance
  • Include/exclude files via filter
  • Local and portable installation
  • Handle daylight saving time changes on FAT/FAT32
  • Use macros %time%, %date%, et al. for recurring backups
  • Case sensitive synchronization
  • Built-in locking serializes multiple jobs running against the same network share

What's New

  • Fixed crash after 1-byte file copy from MTP device
  • Fixed incorrect installer z-order during auto-update (macOS)
  • Compress copied file only if target folder is marked as NTFS-compressed (Windows)
  • Show install errors without requiring access to "System Events" (macOS)
  • Fall back to creation time if modification time is missing on MTP device
  • Copy/paste filter config via operating system clipboard
  • Show FreeFileSync startup error message when called from RealTimeSync
  • Avoid server round trip when preparing summary email
  • Show path conflict warning aggregated into groups
  • Don't assume path conflict if single write and multiple ignored items
  • Fixed CTRL + Insert clipboard copy for some text controls (Windows, Linux)