TreeSize Professionalis a powerful and flexible harddisk space manager for Windows 2000 / XP / Vista (32 & 64 Bit). 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. The search results can be moved, deleted or exported. The application has an intuitive Explorer-like user interface, it is fast and multithreaded and supports Unicode and scheduled scans. You can print detailed reports or export the collected data to Excel and to an HTML, XML or text file.

No matter how huge your hard drive is, sooner or later it becomes so cluttered that it seems too small.
The program TreeSize Professional will help you determine where delos space. The program can be launched from the context menu of a folder or disk, and it will show how much this object and the directories that it contains. The contents of each folder can be viewed in a window with an Explorer interface, in which the number of files on disks or in individual folders and their size, the date of the last access to them, the degree of NTFS compression, etc.

The program displays folders in a tree-like format along with their sizes and, if necessary, allows you to print the result on a printer for further study. All you need to do is select the drive you want to inspect, after which the application will automatically check the folder structure. Upon completion of the operation, you have access to seven different views of the disk (chart, table, extensions, users, file age, 100 large files, and log).

TreeSize scans can be printed for further study, or exported to Excel, HTML, XML or ASCII file formats.

Key features:
"Visually track the use of hard drives and view the size of all folders and files
»Print report to Excel, HTML, XML, text file, etc.
"Fully customizable file search to find and archive large, old, unused and temporary files
" Search multiple disks and entire servers
"Search for duplicate files, in addition, with MD5 hash checks
" Statistics on file types and file owners at the directory level
"Ability to save data to XML file for later loading
" Support for Unicode names for files and folders
"Extension for Windows Explorer
" View results during scanning
"Include or exclude specific files and folders during scanning
" Print directory contents
"Supports Explorer context menu within the

Features window
- Visually Track down disk usage and see the size of all folders including their subfolders and break it down to the file level.
- Several exporting and reporting possibilities: Printed report (showing the directory structure), Excel, HTML, XML, text file, clipboard.
- The integrated fully customizable file search helps you to find and archive the largest, oldest, obsolete and temporary files, eg invalid shortcuts or files owned by a non existant account.
- You can search multiple drives, entire servers and even your entire network neighborhood. The search results can be exported, moved or deleted.
- Duplicate file search, optionally with MD5 checksums
- Statistics about file types and file owners on directory level. Additionally it is possible to filter the file system tree on the left to a certain user or file type
- TreeSize Pro is able to save the data to an XML file and to load it again later.
- A saved XML file can be used to compare it against the current version of the file system branch. The difference between the two scans will be displayed and makes it easy to see which folders have grown.
- Support for Unicode file and folder names.
- The visible columns can be configured separately for the TreeSize Pro window, Excel export, HTML Export, Text export and printed reports. A lot of optional columns are available.
- TreeSize Pro ships with a shell extension for Windows 2000 / XP / 2003 that adds an additional TreeSize column to the Windows Explorer that is showing the size not only for files but also for folders.
- High performance through Multithreading: Browse the results during scanning, scan and view several folders at the same time, automatic adjustment of the number of threads that are used for a scan.
- Include and exclude certain files and folders in your scans
- Print the contents of a directory, including all files and the corresponding icons.
- Several Command line options allow scheduled and overnight scans of your hard disk. An integrated wizard helps to set up scheduled scans.
- A list of all files in the scanned folder and its subfolders can be exported, for example for use in a database.
- Support for the file based NTFS compression, hard links and Alternate Data Streams (ADS)
- Explorer context menu is supported inside the TreeSize window