Jerry
Check also this nice article from Calvin Hsia weblog:
http://blogs.msdn.com/calvin_hsia/archive/2006/07/19/671976.aspx

Jaime

>Is there an application that can produce a report on files or disk spaced used on a directory structure?
>
>We have a directory that contains an enormous amount of files and uses a lot of disk space. We would like to produce a report that displays either files and their directory structure or disk space used in each directory.
>
>Is there utility available that does this sort of thing?
>
>Thanks,
>
>Jerry