Especially if run on the same Mac for a few years now and you’ve never wiped it clean to start fresh. dmg files.īut you can also get quite a bit of space back if you delete cache and logs files, as well as email and iMessages attachments. Usually there’s a bunch of stuff over there that you don’t need anymore. Next take a look at your downloads folder. App detox is always a good idea, phone included, even if you’re not low on space. When that happens your first instinct should be to go throught the installed apps and delete all the apps that you didn’t use in, let’s say, at least 2-3 weeks. Sooner or later you’ll get a notification saying that “Your disk space is critically low”.