Guides
Get your disk space back
Plain answers to the questions Mac owners ask most about storage.
What is System Data on a Mac, and how do you shrink it?
System Data is the catch-all in macOS storage settings. Here’s what’s usually inside it, what’s safe to remove, and how to find the big parts.
Read guideWhat is purgeable space on a Mac?
Purgeable space is storage macOS counts as free because it can clear it on its own. Here’s what it is, why it sometimes won’t clear, and what to do.
Read guideHow to free up space for a macOS update
A macOS update needs room for the download and the installation. Here’s how to see how much you need and get it back quickly.
Read guideHow to find large files on a Mac
Four ways to find what’s taking up space on your Mac, from built-in macOS tools to Terminal and a visual disk map.
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