Mac system Data
I'm wondering why my system data is nearly 200 GB, it's taking up almost all my storage. This is an M1 MacBook Pro from 2020. It was not used when bought. Any Solutions?
MacBook Pro 13″, macOS 15.0
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“System Data” is not data used by the OS. It is a catch-all for all of the items Spotlight could not categorize. It could be a Spotlight index problem, or it could be many random things. Sometimes it is local Time Machine snapshots. If you delete things from an SSD, it could be the space that was occupied by that data until the garbage collection flips the bits back to free.
You will need a third-party tool to find large globs of storage, but none of it will be linkable to some “System Data” unless it is Time Machine snapshots or runaway logs or caches.
I like GrandPerspective for its graphical display, but there are other free ones.