Adobe video cache files) in the System category. What Files Are Included in System Storage on Mac?ĭuring my research, I found many people report that Apple counts iTunes backup files and app caches (e.g. My hunch is that Apple does this on purpose to prevent users from deleting system files that could lead to serious issues.
allow you to review the files based on size and type. I have no idea why “System” is greyed out while “Documents,” “System Junk,” “Trash,” etc. Although my Mac now has a good amount of disk space available, I’m always wary of files that are taking up more space than they should. Questions like these may easily get to your head. Is it safe to remove some of those system files? Why does my Mac system require so much space? Worse yet, you have no idea what’s included in “System” storage, because clicking the “Manage” button brings you to this System Information window… and the “System” row is greyed out. In the example above, it only shows 207 GB, but take a look at this Apple discussion - some Mac users report that System Storage takes an astonishing 250 GB. To your surprise, you see a yellow bar representing “System” that seems to occupy way more space than you think it should. You try to figure out what’s taking up your disk space by clicking the Apple logo on the top-left of the screen, selecting About This Mac, and hitting the Storage tab.