Without even noticing it, you might be dedicating several gigabytes of your Mac’s memory to this junk data. It can be frustrating and time-consuming to do by hand, and there’s no guarantee you’ll catch all those extra files. First, you have to find them then, you have to make sure they’re really gone. Once there, they’re not easy to get rid of. When you install an app, all sorts of supplementary files take up residence in your hard drive. Taking an application off of your Mac isn’t as simple as dragging it into the trash.
