JSI Tip 9330. DiskView freeware shows you a graphical map of your disk, allowing you to determine where a file is located or what a cluster contains.

Download DiskView, which shows you a graphical map of your disk, allowing you to determine where a file is located or, by clicking on a cluster, seeing which file occupies it. Double-click to get more information about a file to which a cluster is allocated.

The readme begins with:

Diskview for Windows NT/2K/XP/2K3Copyright (C) 2004 Bryce CogswellSysinternals - www.sysinternals.comUsing Diskview--------------Start Diskview.exe from its home directory. Select a volumeand press the Refresh button.