Outlook 365

In Windows: File > Office Account > in Office Theme, click Black. · On the web: Login into Outlook 365 > gear icon > toggle Dark Mode to On. · On a Mac: Outlook ...

If you switch to Dark Mode in Outlook for Windows, it will also change all other Office apps to Dark Mode. However, if you use Outlook on the web, iPhone, or Mac, Dark Mode only applies to Outlook. [turn on Dark Mode in Windows 11](https://www.lifewire.com/turn-on-dark-mode-in-windows-11-5193223), go to Settings > Personalization > Colors and choose Dark. Both the iPhone and Outlook for iPhone support a Dark theme. How you turn it on and off, and what options you have for controlling it automatically, differ based on what platform you're using it on (the steps to turn on Dark Mode in other Office 365 apps are similar). These instructions apply specifically to Outlook 365. How to Change Outlook 365 to the Dark Theme on a Mac Both are equally easy, so which you pick will probably just be a matter of which you prefer or remember at a given moment. How to Change Outlook 365 to the Dark Theme on an iPhone How to Change Outlook 365 to Dark Theme on the Web How to Change Outlook 365 to the Dark Theme in Windows How to Change Outlook 365 to the Dark Theme