Where Does BlockBlock Store Rules on Mac?
Where BlockBlock keeps persistence rules and alerts on Mac, and how to migrate them safely.
Last updated
BlockBlock watches persistence locations with rules stored under the Objective-See vendor folder: allow and block entries plus alert history. A helper tool enforces them outside the app bundle.
Copy rules with protection paused for migration; the helper reinstalls separately on each Mac. macOS security permissions never travel with files, so re-grant Full Disk Access after restoring. Reach Library through Go to Folder.
Where BlockBlock stores this, by platform
~/Library/Application Support/Objective-See/BlockBlock
Rules and alert history under the vendor folder in Library. Helper reinstalls per Mac; permissions never travel. Pause protection before copying.
Frequently asked questions
How do I move BlockBlock to a new Mac?
Copy the Objective-See data folder with protection disabled, then re-enable and reinstall the helper on the new Mac. Rules travel in files; the kernel extension needs a fresh install. Re-grant Full Disk Access after restoring.
Where are BlockBlock rules on disk?
Open BlockBlock preferences and read the rules list; the files mirror it. Rule files live under the vendor folder in Library. The UI always shows the live set after changes.
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