FolderSizes goes far beyond the capabilities of competing applications by combining several tools into one powerful solution:

>> Duplicate File Report
Quickly isolate and manage duplicate files within any folder or volume
>> Largest Files Report
FolderSizes can quickly show you which files are eating up the most space.
>> File Types and Attributes Reports
See the distribution of disk space by file type or attributes.
>> Temporary File Report
Eliminate temp file clutter left over from software installs, downloads & browsing.
>> Scan Filtering
Filter file system scans by filename, date, owner name and more.
>> Integrated Search
Search multiple paths by nearly any file criteria (including file owner).
>> Disk Space Explorer
Awesome detail view, coupled with stunning graphical bar and pie graphs.
>> Drive Space Monitor
Instant, at-a-glance view of any local, mapped, or removable disk.
>> File Owners Report
Discover which users are consuming the most space on local and network drives.
>> Oldest Files Report
Use your own criteria to find old files that may no longer be needed.
>> File Sizes, Names & Dates Reports
Powerful, customizable range-oriented file reports

Requirements:
Windows ME, 2000, XP, Vista, or Server 2003
Microsoft Internet Explorer 4 or later
Pentium 250 Mhz or higher processor
64MB (or more) RAM