It looks like you mentioned — a version of the popular disk space manager for Windows (by JAM Software).
The software comes in different editions (Free, Personal, Professional), with v7.1.5 bringing stability and refined performance to the tool's core functionality. Key Features of TreeSize v7.1.5 treesize v7.1.5
: Designed for Windows Vista and Windows Server 2008. TreeSize v7
: Helps in identifying sensitive data or old logs that need to be purged according to retention policies. JAM Software Enhancements to the reporting functionality, such as better
TreeSize is a comprehensive disk space manager for Windows. It provides a "bird's eye view" of your drive, showing which files and folders are consuming the most space. Unlike Windows Explorer, which requires clicking through folders one by one, TreeSize displays all folder sizes hierarchically, sorted by size, making it easy to identify space hogs instantly.
: Includes a built-in search tool to find large, old, or duplicate files.