empty out the multiple trash bins on your main drive (photos trash, mail trash, app-specific trashes) and your external drives as well.weed out antiquated files lurking inside folders deep within your hard drive that haven’t been used in ages.perform a quick scan of your entire iTunes library to remove old backups, completed software updates, and deal with interrupted downloads taking up large amounts of storage.reclaim space from all the tons of file attachments that accompany Mail and automatically get saved to your computer.trim gigabytes off your Photos library without losing any of your precious pictures.Some of the tasks CleanMyMac 3 will do are: All you have to do is tell the application when to perform its task. The software takes care of everything for you and shows you what needs to be cleaned up. And that’s where CleanMyMac 3 does its magic. There’s so much junk floating around on your Mac that it’s hard to manage everything manually. The application does its magic by scanning every bit of your computer’s system and removing gigabytes of unneeded or unwanted files with one button and just two clicks of the mouse. CleanMyMac 3 is a very smart utility that will make your Mac as good as new.