codex - 💡(How to fix) Fix Codex Desktop zoom level does not persist after restart on Windows [1 comments, 2 participants]

What version of Codex is running?

Codex Desktop App version: 26.506.3741.0 CLI version: 0.130.0

What platform is your computer?

Microsoft Windows x64 Installed from Microsoft Store package: OpenAI.Codex_26.506.3741.0_x64__2p2nqsd0c76g0

What issue are you seeing?

The Codex Desktop app allows the UI zoom level to be adjusted during a session, but the zoom level does not persist after closing and reopening the app. On the next launch, Codex returns to the default zoom level.

This makes the app harder to use on displays where the default UI/text size is too small, because the user has to manually adjust zoom every time Codex starts.

Steps to reproduce

1. Open Codex Desktop on Windows.
2. Increase the app zoom level using the normal zoom controls/shortcut.
3. Close Codex completely.
4. Reopen Codex.
5. Observe that the app is back at the default zoom level.

Expected behavior

Codex should remember the user-selected zoom level across app restarts, or provide an official persistent appearance/font-size setting.

Actual behavior

The zoom change applies only temporarily. After restarting Codex, the app returns to the default zoom level.

Workaround

Launching Codex with an Electron/Chromium scale flag appears to work as a temporary workaround, for example:

"C:\Program Files\WindowsApps\OpenAI.Codex_26.506.3741.0_x64__2p2nqsd0c76g0\app\Codex.exe" --force-device-scale-factor=1.25

This is not ideal because it requires a custom shortcut/launch command and does not expose a normal in-app preference.

Related context

There is at least one related desktop rendering/scaling issue where --force-device-scale-factor is also used as a workaround: #21865.