macOS Clipboard History — What Gets Logged, What Leaks, and How to Audit It

A look at how the macOS pasteboard, Universal Clipboard, and popular third-party clipboard managers actually store your copies in 2026 — what is logged, what crosses the network, and a five-step check to find traces of your last password. The short version: the pasteboard is global, Universal Clipboard is permissive, most managers store plaintext on disk, and you can audit all of it in twenty minutes with commands already on your Mac. What the macOS pasteboard actually is The "clipboard" on a Ma