How do I optimise system data on iMac running macOS Sonoma?

Why would my system data be using 314GB of my 500MG har drive?

[Re-Titled by Moderator]

iMac 27″, macOS 14.6

Posted on Mar 6, 2025 5:25 PM

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Level 6

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You need to click on the "data" volume to show any snapshots in the right window.