FreeFileSync

FreeFileSync is a free and open-source program used for file synchronization. It is available on Windows, Linux and macOS. The project is backed by donations. Donors get access to a Donation Edition that contains a few additional features such as an auto-updater, parallel sync, portable version, and silent installation.[2] FreeFileSync has received positive reviews.[3][4]

Initial releaseAugust 2008 (2008-08)
Stable release
13[1] / 10 September 2023 (10 September 2023)
Operating systemWindows, Linux, macOS
PlatformIA-32, x86-64
TypeFile synchronization utility
LicenseGPL-3.0-only
Websitewww.freefilesync.org

FreeFileSync works by comparing one or multiple folders on their content, date or file size and subsequently synchronizing the content according to user-defined settings. In addition to supporting local file systems and network shares, FreeFileSync is able to sync to Google Drive, FTP, FTPS, SFTP and MTP devices.

Adware/Malware

Earlier versions were packaged with OpenCandy,[5][6] an adware module which many antivirus software vendors classify as malware.[7][8][9][10]

Since the release of version 10.0 in April 2018, the software is ad-free.[11] In November 2018 Norton wrongly considered FreeFileSync installer as a malware and blocked its installation.[12]

Supported OS

FreeFileSync is available for 32bit and 64bit operating systems. As of June 2021 the then current version 11.11 of FreeFileSync supported the following operating systems and versions:[13]

  • Windows 10 down to Windows 7.
  • macOS 11.0 "Big Sur" down to Mac OS X 10.10 "Yosemite".
  • On Linux, many well-known distributions are supported. The website cites Arch Linux, CentOS, Debian, Fedora, Manjaro, Mint, openSUSE and Ubuntu.

Older operating systems

Support for Windows Vista and XP ended with FreeFileSync_v10.11. The latest release compatible with Mac OS X 10.7.5 is FreeFileSync_8.4_Mac_OS_X. Older versions are still available on the project website.[14]

See also

References
  1. Error: Unable to display the reference properly. See the documentation for details.
  2. "FAQ: Donation Edition". freefilesync.org.
  3. "Compare and synchronize PC files easily with FreeFileSync".
  4. "FreeFileSync: App Reviews, Features, Pricing & Download".
  5. Akerlund, Geoff (10 March 2014), FreeFileSync comes bundled with the OpenCandy malware, and there's no option to not install it., Backup Review, retrieved 2 February 2018
  6. Richards, Gizmo (16 April 2017), Controversial Advertising Program Now Being Embedded in More Software, Tech Support Alert, retrieved 2 February 2018
  7. PUP.Optional.OpenCandy, Malwarebytes, retrieved 3 February 2018
  8. OpenCandy, Sophos, retrieved 3 February 2018
  9. ADW_OPENCANDY, Trend Micro, retrieved 3 February 2018
  10. Virustotal analyses of OpenCandy, Virus Total, retrieved 3 February 2018
  11. Brinkmann, Martin (3 May 2018). "FreeFileSync 10.0 updates removes ads from installer". ghacks.net. Retrieved 30 May 2018.
  12. "My virus scanner/firewall shows a scary warning. Is there a virus, malware, or trojan?". freefilesync.org.
  13. List of supported operating systems https://freefilesync.org/faq.php#operating-systems
  14. Archive of old versions of the software https://freefilesync.org/archive.php
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