Find Largest Files in Windows 23. December 2014 patrick (0) Recently I noticed my disk space was getting chewed up and had to recall the app I used in the past. WinDirStats is a great app to find what is chewing up your hard drive space. In the example below WebRoot virus scanner WRData folder has a lot of junk DBs (I opened a ticket with them) to get the fix.Screen Shots of WinDirStats.By FolderBy File Extensiondownload windirstat1_1_2_setup.zip (614.5KB)