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The resume command allows you to continue a previous interactive Codex session, preserving the full conversation history and context.

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Usage

codex resume              # Shows picker to select session
codex resume --last       # Resume most recent session

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Description

Resume lets you pick up where you left off with a previous Codex session. The full conversation history, including:
  • User messages
  • Agent responses
  • Executed commands
  • File changes
  • Reasoning and plans
All of this context is restored, allowing you to continue the conversation naturally.

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Options

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--last
boolean
Resume the most recent session without showing the picker.

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Examples

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Interactive Picker

Show a picker to select from your previous sessions: 
codex resume
This displays a list of recent sessions with:
  • Session date and time
  • Initial prompt or topic
  • Number of turns

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Resume Latest

Automatically resume your most recent session: 
codex resume --last

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How It Works

  1. Codex loads the session rollout file from ~/.codex/sessions/
  2. Restores the full conversation history
  3. Reopens the interactive TUI
  4. You can continue the conversation from where you left off

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Use Cases

  • Long-running tasks: Resume work on multi-step implementations
  • Context preservation: Keep the agent’s understanding of your project
  • Incremental development: Build features across multiple sessions
  • Review and iterate: Review previous changes and make adjustments

codex fork

Fork a session to try alternatives

codex

Start a new interactive session