How to Uninstall LockDown Browser Completely from Mac (2026)

LockDown Browser stays installed after your exam ends. A drag-to-Trash uninstall leaves several hundred MB of state on your Mac - Application Support, Caches, LaunchAgents, Group Containers - that the next exam will reuse. Below: the complete removal procedure and the clean-reinstall path.

Files LDB writes to your Mac

PathApproximate size
/Applications/LockDown Browser.app~95 MB
~/Library/Application Support/LockDown Browser/5-50 MB
~/Library/Caches/com.respondus.lockdownbrowser/10-200 MB
~/Library/Group Containers/group.com.respondus.lockdownbrowser/0 MB to several GB (Monitor buffer)
~/Library/Preferences/com.respondus.lockdownbrowser.plist<100 KB
~/Library/LaunchAgents/com.respondus.lockdownbrowser.plist (some MDM)<10 KB
~/Library/Saved Application State/com.respondus.lockdownbrowser.savedState/<1 MB

Total disk reclaim from a complete uninstall: 200 MB to 5 GB depending on Monitor buffer accumulation.

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