Treesize V4.7.1.525 May 2026

At the time of its release, Windows 10 was just gaining traction, and SSDs were becoming mainstream but still expensive. TreeSize v4.7.1.525 was designed to bridge the gap between the older Windows 7-era interface and the needs of modern NTFS filesystems.

It does not use the USN Journal (like WizTree does). It uses a standard directory traversal. This means it is accurate but slightly slower than modern "instant" scanners. treesize v4.7.1.525

This article analyzes TreeSize Professional v4.7.1.525, covering its features, performance, limitations, and why many system administrators still keep this specific build in their toolkit. Version: 4.7.1.525 Release Era: Late 2015 / Early 2016 Type: Disk Space Manager / Storage Analyzer At the time of its release, Windows 10