TreeSize Professional tells you where precious disk space has gone to. It can be started from the context menu of a local folder or a local drive and displays the size of each folder, including its subfolders.

"TreeSize Professional" will allow you to scan NETWORK drives.
Scanning is done in a thread, so you will see results while TreeSize Professional is still working.

TreeSize Professional is a powerful and flexible harddisk space manager.
Find out which folders are the largest on your drives and recover megabytes of disk space.

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 regarding folders or drives. It also lets you search drives, entire servers or the entire network for old, big, temporary and duplicate files.

TreeSize Professional includes Disk Space Management on smartphones and mobile devices.
- Scan Mobile Devices and Digital Cameras via MTP
- Scan Android Devices via WebDAV


Free with limited functionality

Pricing Information

One time purchase (perpetual license) that cost about $60

Supported Platforms


TreeSize Professional is listed in

Windows, Must have, Work Apps, msori's standard installation, and Useful

Links to official TreeSize Professional sites

Official Website    Facebook    Twitter


System Cleanup Display files size Portable Add a feature


OS & Utilities System & Hardware


analyze-disk-space disk-analysis disk-maintenance disk-space disk-space-analyzer disk-space-analyzers disk-space-finder disk-space-manager disk-space-usage disk-usage free-disk-space hard-disk hard-disk-utility harddrive used-disk-space


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3.3 out of 5 with 10 ratings

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I have loved, and continue to love, TreeSize Free for many, many years (more than 10 years and counting). Whenever I get a new computer it is one of the first things I install. It is simple, fast and...

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Freemium such as only pro users can scan mapped network volumes , slow speed

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