We have already discussed several programs that allow you to find out which folders on a hard drive are taking up the most space. However, we have never seen software that got the job done as quickly as German decent TreeSize Free. In its simplest form, the program – which you can also use on external devices, by the way – puts sober bars behind a folder to indicate its relative size. However, there is also a graphical display that shows at a glance which folders or file types are taking up a lot of space. You can also filter results extensively.
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TreeSize Free – Find the space hogs on your disks at lightning speed
