app/features.md Codex Docs, 2026-03-04 06:20 UTC → 2026-03-08 00:35 UTC

14session in a specific directory.14session in a specific directory.

15 15 

16If you work in a single repository with two or more apps or packages, split16If you work in a single repository with two or more apps or packages, split

17distinct projects into separate app projects so the [sandbox](https://developers.openai.com/codex/security)17distinct projects into separate app projects so the [sandbox](https://developers.openai.com/codex/agent-approvals-security)

18only includes the files for that project.18only includes the files for that project.

19 19 

20![Codex app showing multiple projects in the sidebar and threads in the main pane](/images/codex/app/multitask-light.webp)20![Codex app showing multiple projects in the sidebar and threads in the main pane](/images/codex/app/multitask-light.webp)

101 101 

102![Integrated terminal drawer open beneath a Codex thread](/images/codex/app/integrated-terminal-light.webp)102![Integrated terminal drawer open beneath a Codex thread](/images/codex/app/integrated-terminal-light.webp)

103 103 

104## Native Windows sandbox

105 

106On Windows, Codex can run natively in PowerShell with a native Windows sandbox

107instead of requiring WSL or a virtual machine. This lets you stay in

108Windows-native workflows while keeping bounded permissions in place.

109 

110[Learn more about Windows setup and sandboxing](https://developers.openai.com/codex/app/windows).

111 

112![Codex app Windows sandbox setup prompt above the message composer](/images/codex/windows/windows-sandbox-setup.webp)

113 

104## Voice dictation114## Voice dictation

105 115 

106Use your voice to prompt Codex. Hold <kbd>Ctrl</kbd>+<kbd>M</kbd> while the composer is visible and start talking. Your voice will be transcribed. Edit the transcribed prompt or hit send to have Codex start work.116Use your voice to prompt Codex. Hold <kbd>Ctrl</kbd>+<kbd>M</kbd> while the composer is visible and start talking. Your voice will be transcribed. Edit the transcribed prompt or hit send to have Codex start work.

152opening separate projects or using worktrees rather than asking Codex to roam162opening separate projects or using worktrees rather than asking Codex to roam

153outside the project root.163outside the project root.

154 164 

155For details on how Codex handles sandboxing, check out the [security documentation](https://developers.openai.com/codex/security).165For a high-level overview, see [Sandboxing](https://developers.openai.com/codex/concepts/sandboxing). For

166configuration details, see the

167[agent approvals & security documentation](https://developers.openai.com/codex/agent-approvals-security).

156 168 

157## MCP support169## MCP support

158 170 

165 177 

166Codex ships with a first-party web search tool. For local tasks in the Codex IDE Extension, Codex178Codex ships with a first-party web search tool. For local tasks in the Codex IDE Extension, Codex

167enables web search by default and serves results from a web search cache. If you configure your179enables web search by default and serves results from a web search cache. If you configure your

168sandbox for [full access](https://developers.openai.com/codex/security), web search defaults to live results. See180sandbox for [full access](https://developers.openai.com/codex/agent-approvals-security), web search defaults to live results. See

169[Config basics](https://developers.openai.com/codex/config-basic) to disable web search or switch to live results that fetch the181[Config basics](https://developers.openai.com/codex/config-basic) to disable web search or switch to live results that fetch the

170most recent data.182most recent data.

171 183