One year later, the newly founded German company JAM Software published TreeSize in a freeware and two shareware versions. The software tried to overcome the drawbacks of both the du command and Windows Explorer's right-click context menu. It was designed to offer the features of Unix's du on Windows systems, with the addition of a GUI. The first version of TreeSize was programmed by Joachim Marder in 1996. TreeSize can access not only mobile devices but will also scan SharePoint, Amazon S3 Storage and FTP servers. Android devices can be scanned via WebDAV. Īs of version 3.4, TreeSize Free can scan mobile devices connected to a computer via the Media Transfer Protocol. The software either compares XML reports or uses shadow copies created by Windows itself or by the user.

TreeSize can also monitor disk space usage development. Duplicate files can be identified via MD5- or SHA256-checksums and duplicated or replaced by hardlinks. temporary files, duplicates or caches of web-browsers such as Internet Explorer, Mozilla Firefox, or Opera. The Professional and Personal Editions enable a user to search specifically for large, old, or obsolete files, e.g. The collected data can be exported to plain text, clipboard, HTML, XML, or Microsoft Excel formats.

The common functionality of all editions is to determine and to display drive/folder sizes, and to create reports such as tables and charts (pie chart, bar chart or treemaps). TreeSize has native 32 and 64-bit support for all Windows versions and client/server versions currently supported by Microsoft. TreeSize is a disk space analyzer written by JAM Software.

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