If you are suddenly finding your Mac hard drive much more full than you think it should be, you may also be wondering how to find the big files that are taking up so much space. Simply sorting your files in finder by size doesn’t cut it, because you may need to go through dozens or even hundreds of directories. What you want is a way to see all the files, across your entire Mac, that are huge. Here’s how to find all of the really big files on your Mac hard drive.