The left panel of the program shows the folder and file sizes in a familiar File Explorer-like display, while the right side displays a pie chart for visualizing each folder's disk usage.ĭisktective is relatively user-friendly, but it's hindered by a few key limitations: the export-to-HTML feature doesn't produce a very easy-to-read file, you can't delete or open folders or files from within the program, and the size units are static, meaning they're all either in bytes, kilobytes, or megabytes (whatever you choose). You can choose any folder on any hard drive that's plugged in, including removable ones, as well as the entire hard drives.

My local hard drive, which is partitioned as a main C: partition and a supplementary D: partition, has almost 450,000 files using 665GB. TreeSize Free also adds a convenient scan option to Explorer, so you can right-click any folder in File Explorer and Windows Explorer and select TreeSize Free to scan its contents.

Unable to delete files directly from the program.Īn update hasn't been released since 2010.ĭisktective is portable and takes up less than 1 MB of disk space, so you can carry it with you on a flash drive.Įach time it opens, you're asked what directory to scan. TreeSize Professional from JAM Software is the most powerful program I’ve seen for analyzing how disk space is being used.

Treesize for windows 10