Karl's Windows Admin Tips & Tricks

Jul 19 2011   1:37PM GMT

Use WinDirStat to see what is eating up your hard drive space.

Karl Gechlik Karl Gechlik Profile: Karl Gechlik

WinDirStat is a disk usage statistics viewer and cleanup tool for Microsoft Windows.  You can grab a copy of it from this URL.

On start up, it reads the whole directory tree once and then presents it in three useful views:

•The directory list, which resembles the tree view of the Windows Explorer but is sorted by file/subtree size,
•The treemap, which shows the whole contents of the directory tree straight away,
•The extension list, which serves as a legend and shows statistics about the file types.

The treemap represents each file as a colored rectangle, the area of which is proportional to the file’s size. The rectangles are arranged in such a way, that directories again make up rectangles, which contain all their files and subdirectories. So their area is proportional to the size of the subtrees. The color of a rectangle indicates the type of the file, as shown in the extension list. The cushion shading additionally brings out the directory structure.

The application looks like this:WinDirStat

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