ExplorerXP is a very fast, freeware, compact, and innovative file manager for Windows.
Unlike the regular Windows Explorer, it displays each folder's total size and allows you to browse multiple folders from a tabbed interface.
ExplorerXP allows you to view, edit, copy, move, rename, and delete files and folders within a drag-and-drop interface.
Tabbed interface - all your windows (open folders) will appear inside a single ExplorerXP application. The tab bar provides quick access to all open windows
Customizable Toolbar with easy access to My Computer, Recycle Bin, My Documents & Desktop folders.
Drag & Drop support - Drag any file or folder from Windows Explorer, other applications, or to the bar and special folders on the main toolbar.
Folder size information - Displays folder size information and compressed files & folders' real size. Folder size information is cached to improve the speed of the folder size calculations between sessions.
Multy rename tool - allows renaming multiple files in one step.
Split & Merge Tool - Split file in multiple volumes. Merge multi-volume files in one.
Clean Tool - recursively removes files that match the given list of extensions or wildcards.
Groups - A group collects folders, which can be accessed quickly or used as drag and drop targets.