Oct 3, 2025 · FreeFileSync is a free open source data backup software to compare and synchronize files and folders on Windows, macOS, and Linux.

Basic Usage: Choose left and right folders. Compare them. Select synchronization settings. Press Synchronize to begin synchronization.

FreeFileSync strives to provide high-quality software with zero open bugs. This is achieved by fast release cycles and free 24/7 support for everyone. If you find FreeFileSync useful, please …

When I started the project, I was looking for a file synchronization tool because I was travelling back and forth between two locations and needed my multi-gigabyte data to be in sync on two …

To resolve this problem you first need to identify which software is responsible for the file changes by using a tool like Process Monitor. Then see if the software has options to disable the …

Error 153 Video player configuration error Two Way Synchronization Watch video on YouTube

Compact parent path display for medium/large row sizes Fixed crash when mouse inputs are queued due to system lag Don't steal focus from other app when sync progress dialog is …

FreeFileSync is able to detect moved files and quickly apply the same move on the target side during synchronization instead of a slow copy and delete. To makes this work, Use database …

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Whenever directory H:\Data becomes available, RealTimeSync executes the command line which starts the batch job located on the stick. RealTimeSync will also trigger each time files are …