Short description of O&O DiskStat 2 Professional Edition 2.0: O& O DiskStat 2 Professional Edition is a high-power tool for analyzing the used disk space on your storage volumes. With an easy-to-use interface based on the design of the Windows Explorer, you can take a closer look at the file and folder structure of your internal and external drives. Through intuitive and beautiful graphical representations you will find out which files, file types and folders are taking up the most space.