MBS Disk Space Analyzer

  MBS Disk Space Analyzer is a fast and flexible, network-enabled Hard Disk Space Analysis and Cleaning Tool for Microsoft Windows 98/ME/XP/2000/2003.

It has an explorer like interface which makes it easy to use. Various additional file details can be viewed in file and folder list view like File Size, Folder Size, Allocated and Wasted space, % of parent size, DOS Name, No. of Files, No. of Folders etc.