FreeFileSync - Open Source File Synchronization

Open Source File Synchronization
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Synchronize Files and Folders

Key features
Press release
FreeFileSync is a folder comparison and synchronization software that creates and manages backup copies of all your important files. Instead of copying every file every time, FreeFileSync determines the differences between a source and a target folder and transfers only the minimum amount of data needed. FreeFileSync is Open Source software, available for Windows, Linux and macOS.

 

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FreeFileSync 9.4

Latest News

Oct 5, 2017: FreeFileSync 9.4 has been released!
 
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User Reviews

Thumbs up Nico Gotin reviewed FreeFileSync:

Excellent program! Very intuitive and streamlined operation. Has all the file synchronization features I need and then some.

Thumbs up Olivia Stevens reviewed FreeFileSync:

Great software. Requires a bit of time to set up if you want to use real-time sync, but it's fast and easy. I'm using it to copy files to and from my portable hard disk so I can work at them both at home and at work and it works flawlessly.

Thumbs up TakeNapEveryday reviewed FreeFileSync:

Far better than other sync tools for my needs. I was looking for something to backup new and updated games from my Steam library (over 200GB) to an external drive so I can uninstall games to free up space and not have to waste bandwidth re-downloading if I want to play them again.

With FreeFileSync, the scan/comparison results are presented well with lots of statistics, there are buttons to filter the results view with a single click, and I can exclude folders in the right-click context menu (sub-folders are not expanded automatically). The interface is kept simple by having certain elements context-based - buttons that don't have any use to your current task/step in the sync process are hidden. I accomplished what I was trying to do quickly and didn't need to refer to the help file.

The previous sync tools I had negative experiences with were DirSync Pro (too complicated) and Microsoft SyncToy (not complicated enough to be useful).

Thumbs up christopheperus reviewed FreeFileSync:

I've tried many other free software titles but this one beats them all! Simple, easy and fast!
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