Mirror Folders is a free tool for Windows. It integrates with the Windows Explorer and extends its context menu. The purpose is quick mirroring of the folder structure between two root folders. These two root folders are symmetry axis of the mirror. If you open the context menu of Windows Explorer on some subfolder of the first root folder, Mirror Folders tool searches for a folder in the second root folder, which is alike nested as the subfolder of the first root folder. Is the other subfolder found, it will be opened. Otherwise it will be created, regarding the same folder hierarchy as for the subfolder in the first root folder. Both subfolders are mirrored.