Erase Mac desktop data without affecting other devices

Hi,

I have an old MAC desktop and a MacBook Air on macOs 15.5. I am going to sell the MAC desktop so I therefore need to delete everything on it before returning to factory settings. The MAX desktop is synced to my MacBook Air as well as an iPad and iPhone.

How do I delete the whole contents of the MAC desktop without deleting anything from my other devices?

Thank you for your assistance.

Roslyn

Posted on Nov 29, 2025 6:46 PM

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Erase Mac desktop data without affecting other devices

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