TreeSize Professional is a powerful and flexible harddisk space manager for Windows 200X/XP/Vista. Find out which folders are the largest on your drives and recover megabytes on your disks. TreeSize Professional shows you the size, allocated and wasted space, the number of files, 3D charts, the last access date, the file owner and permissions, the NTFS compression rate and much more information for several folders or drives you choose. It also lets you search drives, entire servers or the entire network for old, big, temporary and duplicate files.