You can change settings related to dark mode from "Dark mode" in advanced settings.
By default, it follows the OS settings.
Force dark mode regardless of OS settings and vice versa.
The dark mode feature itself is available in all environments,
Currently, only the Windows, Mac, and iOS versions can follow the OS settings.
In the Android version, it is necessary to change the dark mode to "on" from the detailed settings in the discarded email.
