

You can delete them manually and automatically.
#MAC SYSTEM STORAGE USAGE HOW TO#
Related Article: How to Clear Caches on a Mac Delete Log Files on Mac

In the storage management window, you will see 4 recommendations. You can quickly find the feature by clicking the Manage button above the storage bar. MacOS Sierra and later come with a feature to optimize Mac storage. How to Clear System Data Storage on MacĪlthough we can't get rid of System Data completely, we can reduce it to some extent. Wondering how you can do to make it smaller? Move on to the next step. If you didn't clear these files often, they can pile up and take up more and more of your valuable space. According to researches, some of the files it may contain are:

Unfortunately, there is no official article explaining what exactly it is. In my case, the System Data is 92.4GB and takes up the largest part of my storage space. Seconds later, you will see the storage bar categorized as System Data, macOS, Apps, Documents, etc.Click the Apple menu > About This Mac > Storage.

What is System Data Storage on Macīefore understanding what System Data storage is, let's see how to check it on Mac. Want to know what it is and how to clean it up? Read on this guide, and you will find all the answers you want. This storage part can range from 10GB to more than 100GB. That gave me conflicting reports each restart but did inform me on one restart that ~100 GB of data was purgeable.In macOS Monterey, you may notice a storage section labelled System Data. You can also look at the built in Disk Utility. The directory has restrictive permissions, so I assume that was the culprit.ĭeleting that directory isn't harmful to the system as far as I know, and it regenerates when the OS needs it again. Daisy Disk, however, did find a glob of ~75 GB that it couldn't scan because of permissions, even when scanning as admin. Now my System section is 50 GB (used to be 120 GB).ĭisk Inventory X gave me different sizes than the System Information window and it didn't find any problematically large files. The system couldn't read the size of the directory so I figured it was a problem folder, so I deleted it, emptied the garbage, and restarted. I read an answer somewhere to an issue related to this that I could delete the folder in /System/Library/Caches/. I restarted a few times and nothing seemed to happen. One night the size of the 'System' section of my storage increased 40 GB in an hour (though, I am running the High Sierra Beta). I believe that when I got my MBP, the size was around 16 GB.
