System Data on Mac: what is inside and how to reduce it safely
System Data is not one folder. It is everything macOS cannot file under Apps, Documents or Photos. Here is what it usually holds, how to look at each part and what is safe to reduce.
System Data
What the System Data category in macOS storage contains, why it grows and what is safe to reduce.
System Data is the catch-all category in macOS storage settings. These articles break down what is inside it, why it grows and which parts you can safely reduce.
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