by BAxBEx Software
FolderBox is an free extension for Windows Explorer. It displays additional folders in the lower part of Explorer, which enables you to display the contents of two or more folders at once! You can use FolderBox also inside Internet-Explorer.
open file folder filemanager explorer explorer extension shell extension internet explorer plugin file managment web browser plug-in shell enhancement add-in file utilities folderbox displays additonal folders inside windows internet-explorer