MacOS High Sierra upgraded the Mac’s under-the-hood file system, replacing the decades-old HFS+ with the shiny new APFS. What this means for the user is way faster file copying, the ability to revert to previous versions of your documents, and several other neat features. But it also means that you may have a lot less free space left on your storage disk, thanks to APFS’ habit of using it to store special ‘dark matter.’Today we’ll learn what this dark matter is, and how to free up disk space.
How to free up disk space in macOS High Sierra

Photo: Charlie Sorrel/Cult of Mac