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, macOS, and Linux.
FreeFileSync 是一个文件夹比较和同步软件,可以创建和管理所有重要文件的备份副本。FreeFileSync 不是每次都复制每个文件,而是确定源文件夹和目标文件夹之间的差异,并且只传输所需的最小数据量。FreeFileSync 是一款开源软件,适用于 Windows、 macOS 和 Linux。