Windows & Other OS

How to enable dark mode in Microsoft Outlook

Tired of seeing the same glossy Outlook interface on your devices? If so, activate the dark mode and get a dark email experience on your favorite email client. We’ll show you how to do it in Outlook on desktops, mobile devices, and the web.

Note: To use Outlook dark mode on the desktop, you must be subscribed to Microsoft Office 365 . If you have another version of Office, you can use a dark gray theme, which is the closest you can get to dark mode.

Turn on dark mode in Outlook on Windows and Mac

The way you enable dark mode in the desktop version of Outlook differs between Windows and Mac. Follow the section for your operating system below.

Enable dark mode in Windows

If you’re on a Windows PC, use an option within the Outlook app to turn on dark mode. Note that that option enable dark mode in all your Office applications , including Word, Excel, and PowerPoint.

To get started, first, open Outlook on your PC. Click on “File” in the upper left corner of the application.

Click on

In the sidebar on the left, select “Office Account”.

Click on

In the right pane, click on the “Office Theme” drop-down menu and select “Black.” This enables dark mode in the Outlook application.

Click on the drop-down menu

The entire Outlook interface will go dark, as you can see below.

Outlook on desktop in dark mode.

To disable dark mode, click on the “Office Theme” drop-down menu and choose an option other than “Black.”

Disable dark mode in Outlook on desktop.

And everything is ready.

Enable dark mode on Mac

On a Mac, you cannot enable dark mode from Outlook. You will have to turn on your Mac’s native dark mode, which will cause Outlook to use the mode. Note that this mode applies to all other applications on your Mac and not just Outlook.

To do that, check out our guide on how to activate dark mode on Mac . Once you have done that, start Outlook and you will have a dark interface.

Turn on dark mode in Outlook on mobile devices

The Outlook app for iPhone, iPad, and Android also offers dark mode. To enable it, first, open the Outlook application on your phone.

In the upper left corner of the app, tap on your profile icon.

In the menu that opens from the left of the screen, tap “Settings” (a gear icon).

Please select

On the ‘Settings’ page, in the ‘Preferences’ section, tap ‘Appearance’.


The “Appearance” page offers three themes to choose from. Here’s how each theme works:

  • Light – This option uses light mode in Outlook.
  • Dark – Select this option to enable dark mode in Outlook.
  • System : This option uses the default mode of your phone. It means that if you have enabled dark mode on your phone , Outlook will also use dark mode.


Outlook will save your settings and darken the interface.

Outlook on mobile in dark mode.

And that’s it.

Turn on dark mode in Outlook on the web

If you use Outlook on the web at, it can also make your web email experience dark.

To do so, open your preferred web browser on your device and start the site of Outlook . On the site, log in to your email account.

In the upper right corner of the site, click on “Settings” (a gear icon).

Click on

In the “Settings” menu, enable the “Dark Mode” option.

Tip: To deactivate dark mode, deactivate the “Dark mode” option.

Enable the

Outlook for web will save your preferences and quickly go dark.

Outlook for web in dark mode.

And this is how you make your favorite email client use a dark interface. Enjoy sending emails!

Do you use Gmail in conjunction with Outlook? If so, you can also enable dark mode in Gmail .

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