For a thorough and clear answer to the eternal question of where all the space on your new disk went, consult TreeSize Professional. The interface allows you to easily find and delete files that waste space. TreeSize Professional analyzed disk usage quickly in our tests. You can analyze any folder by right-clicking it and choosing the Context Menu command. It displays files and folders both as graphs and as detailed lists. In Visual mode, you can choose between pie and bar graphs, as well as change colors for better legibility. The Detailed view lets you see statistics by user and file type. You can limit the scan to files created in the past however-many days. The program saves results in XML, HTML, and Excel formats, and the extensive functionality makes TreeSize Professional attractive for system administrators.
TreeSize Professional is a powerful and flexible harddisk space manager for Windows 98/Me/NT/2000/XP/2003. Find out which folders are the largest on your drives and recover megabytes on them. 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, the NTFS compression rate and much more information for several folders or drives you choose. It also lets you search for old, big and temporary files. The application has an intuitive Explorer-like user interface and it is fast and multithreaded. You can print detailed reports or export the collected Data to Excel and to an HTML, XML or ASCII file. TreeSize Pro can be started from the context menu of every folder or drive.
Version 3.2 ships with a shell extensions that adds an additional column to the Windows Explorer that is showing the size not only for files but also for folders.
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