
And useful if you came across an email that doesn't look right in dark mode. Whether you are viewing a message in the Reading pane or opening a message in a separate window, you can click the little sun icon next to the reply button to "turn on the lights." You can then hit the button again (now a moon icon) to turn off the lights. Microsoft added a useful tool that lets you toggle off dark mode for an individual email message so you can see it in its original formatting. These instructions apply specifically to Outlook 365.

Be sure to click the box and choose Black from the list. To use Dark Mode in the desktop version of Outlook 365 installed on your Windows PC or Mac, or on your iPhone, you must be a Microsoft 365 subscriber (but you can use it on the web without a subscription). The cached exchange mode works well in my old outlook.

I am using the 'new' version of outlook, which does not appear to have the Cached Exchange Mode under accounts. Dark mode switches your theme, however, to 's default blue theme. From there, youll want to look for the Office Theme drop-down menu. The page I was sent to deals with my 'old' version of Outlook. While the Mac version of Outlook and Apple Mail both support the prefers-color-scheme propertywhich allows designers to add dark mode-specific CSSOutlook for Office 365 instead does a full-color. In Dark Mode in Outlook, the gradient is stripped away, revealing the fallback color that is set on your text. I tested dark mode across multiple browsers and platforms and can happily report it works on both Edge and Chrome on a PC and both Safari and Chrome on a Mac. The application interface is updated but, in our testing, we noticed some odd behavior in Outlook’s attempts to Dark Mode-ify an email.

