The system and applications you run on your Mac will create cache files in the Library Folder. Note that if your disk is partitioned, recommendations apply only to the partition containing your home directory. View the recommendations under the Storage bar and optimize your storage according to your needs. MacOS has features to optimize Mac storage. How to Clear System Data Storage on MacĪlthough, we don't have full control over the System Data storage, there are a few things we can do to reduce its size. Since some of the files mentioned above are not necessary, you can delete them to lessen their impact on your storage. The size of System Data varies depending on the state of your Mac. System Data contains files that do not fall into categories such as Documents, Apps, iCloud Drive, Photos, Other Users, etc. So what exactly is it? What Is System Data on Mac? In this case, the System Data is 136.63 GB and is taking up the largest part of my storage space. Hover your cursor over each category, you can know its name and size.Hover over a color to see its category and the amount of space it uses.You'll see a colored bar, with each color representing a category.(On macOS Monterey, choose Apple menu > About This Mac > Storage.) Choose Apple menu > System Settings > General > Storage.Also Read: How to Free Up Space on Mac How to Check System Data Storage on Macīefore understanding what System Data storage is, let's check how much space it is using on your Mac.

Disk space on macbook pro