Many Mac users report their macOS system data taking up lots of space, but it can be reduced via storage optimization and removing unnecessary files.
macOS 27 can use up to 14GB of storage for Apple Intelligence. Here's how to check what's using your Mac's space and safely turn off AI features.
A storage spike after the latest macOS update may not be caused by your apps or files, with Apple Intelligence models quietly using additional space on your Mac.
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