The application has an intuitive Explorer-like user interface, it is fast and multithreaded and supports Unicode and scheduled scans. It also lets you search for old, big, temporary and dufiles. TreeSize Professional shows you the size, allocated and wasted space, the number of files, 3D bar and pie 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. Find out which folders are the largest on your drives and recover megabytes on your disks. TreeSize Professional is a powerful and flexible harddisk space manager for Windows.