Preserving Your Codex Setup When Switching to a New Mac

For OpenAI Codex users, switching Mac machines presents the challenge of migrating threads, session history, and configurations—a particularly critical issue in enterprise environments where standard Mac migration tools are unavailable. This pragmatic guide demonstrates how to back up and restore the ~/.codex directory structure, preserving active threads, local state, installed skills, and plugins without data loss. By understanding where Codex stores its essential data, users can seamlessly maintain continuity across hardware transitions while protecting sensitive authentication tokens and conversation history.