MacBook Pro System Data is using over 800GB of Storage - How to Resolve?

MacBook Pro System Data is using over 800GB of Storage - How to Resolve? My macOS is 15.7.2. I haven't updated to macOS Tahoe 26.1 yet, waiting to verify all my work software will still work. Could my holding off possibly be taking up space?

MacBook Pro 16″, macOS 15.7

Posted on Nov 4, 2025 1:10 PM

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2 replies

Nov 4, 2025 4:34 PM in response to mudbudec2

mudbudec2 wrote:

MacBook Pro System Data is using over 800GB of Storage - How to Resolve? My macOS is 15.7.2. I haven't updated to macOS Tahoe 26.1 yet, waiting to verify all my work software will still work. Could my holding off possibly be taking up space?

In addition to Old Toad's suggestions, see this excellent article on how to resolve excessive "System Data:"


How to free up ‘System Data’ and other st… - Apple Community


MacBook Pro System Data is using over 800GB of Storage - How to Resolve?

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