How to Change Outlook to Dark Theme?

How to Change Outlook to Dark Mode?

With all these startling new options available to you, you might find yourself wondering what to do about your Outlook email. While you can use the standard Outlook theme and color scheme, there is another way to change the look of your email program that is better suited to this new age of technology.

Out of the box, Outlook’s interface can be a bit hard on the eyes, but with the right tips and tricks, you can use Outlook Dark Mode to make your email program more user-friendly.

Working in Outlook or any other similar platform, comfort visibility not only turns your work enjoyable but also results in additional outcomes in your workplace.

Selection of numerous options available on different platforms for users, Outlook consists of Black, Grey, and white backgrounds. All of them seem beautiful and the user prefers them according to their interest.

What is Outlook Dark Mode?

Outlook Dark mode changes the visibility which is the preferred choice of a few users, dark mode changes the high brightness to low which changes the environment of work and easy to concentrate (might be you enjoy dark mode). The dark mode is only available in the latest and Microsoft 365 (earlier known as office 365).

Is Dark mode one step ahead of your eyes? The answer is it depends, some are used to working in a dark environment some preferred bright lights while navigating. The choice is yours.

Dark grey and black theme are the two options in Dark mode for 365.

Switch To Dark Theme in Outlook? [Steps]

It is difficult to work with the light theme in Microsoft Outlook. Sometimes, you need to work on the dark theme so that you can see better at night. There are some ways to change the outlook theme to the dark theme.

Outlook Office theme By Default uses a system setting that looks like a combination of blue and light grey color, Switching to the dark mode, (two options dark grey and black theme) changes Outlook attire completely.

How to switch to the dark mode

(Image source: codetwo)

Let’s get started to get the (step by Step) method to Turn ON Dark Mode in Outlook.

  • Open Outlook
  • Click on the ‘File’ Tab from the left-hand corner of the Outlook screen.
  • Click Office accounts from the sidebar.
  • By default, a Colourful theme is selected, you can switch to dark grey or black theme for dark mode in Outlook.
office theme
  •  Once you hit Dark Grey or Black theme options, Outlook switch to dark mode.
dark grey mode outlook

The color scheme is attractive, in case you need the entire Outlook in Black you can go for it, remember the Black theme is too dark.

Black theme

Any change in the theme, not only affects Outlook but the entire Microsoft Office applications on your system, for instance, PowerPoint, Microsoft Word, Excel, etc. Working on other platforms with the dark mode is quite difficult.

There is a second approach to changing the theme to dark mode in outlook. Here is the step-by-step process.

  • Click File >> Options
  • Now from the “General Category” >> scroll to the “Personalize your copy of Microsoft Office” section.
  • For the “Office Theme“, change your desired theme from the drop-down list.
  • Finally, click “OK” to save the changes.
Personalize your copy of Microsoft Office

Dark Grey Theme vs Black Theme

Dark Grey Theme & Black Theme both fall in the dark mode criteria, but the color combination is different Dark grey comes with light grey and dark grey combination, but the email list background is also light grey, which may be comfortable invisibility.

Opening a mail message in the separate window (reading pane) the background converts to white color. [Refer: Image]

Dark Grey Theme

Talking about the Black theme popularity known as the dark mode is entirely different. The email list, reading pane, and tab list all are dark black.

Outlook Black Theme

Reading Pane in Outlook Dark Mode:

You can turn dark mode on and off when reading a message in Outlook by clicking the icon a the top of your message in the shape of either a sun or moon.

dark mode sun
dark mode moon

Under black mode Outlook provides an option to change the reading pane background to white and back to black by clicking on the (sun and moon) icon available on the left-hand side.

Outlook Turn Off Dark Mode

The user must click the moon icon (white background) for every email message in the reading pane.

If you like the black theme but don’t want it to change the background of every new and existing message, and you like to keep the white background. You must disable the (Sun & Moon) option.

  • Click File >> Options >> General
  • Under “Personalize your copy of Microsoft Office” then check the box Never change the message background color.
  • This option is only available for the black theme to disable the changing color of the background.

Once you check the box, any email message in the future, the lights (white background) will remain on as a default setting.

While composing a new email message under the dark mode, the background can be changed to bright light and back to dark, from the Message toolbar by selecting the dark mode icon to change the message window to white or black.

switch background dark mode outlook
switch background dark mode

How To Turn Dark Mode on or Off in Outlook on the web and

By default, comes with white and blue colors, if you don’t like the default look of your Microsoft Outlook program, you can easily revamp your ordinary-looking Outlook by applying the dark mode offered by Outlook.

Here is the step-by-step process to activate dark mode in

  • Open in your browser
  • Click on the Settings (gear icon) option in the top-right corner of the screen.
  • Find the Dark mode. To enable this theme, you will just need to toggle the given option.
How To Turn Dark Mode On or Off in Outlook on the web

In this single step, you can enable dark mode in your Outlook account.

Once you change the dark theme, the reading pane turns black too, there is an option to change the background to white bright by clicking the (Sun and Moon icons) like in the Outlook application. light mode dark mode

This step easily toggles between light and dark (Sun/Moon button).

How To Enable Dark Mode on Android, iPhone & iPad

Not only do users of Outlook for desktop and the web turn on dark mode mobile users can activate dark mode, but there is also a step-by-step guide to enable the dark theme.

  • Lunch Outlook by clicking on the Outlook icon on your AndroidiPhone, or iPad.
  • Tap on the gear icon in the bottom-left corner of the interface.
Outlook For iPhone
  • Clicking on the Settings menu walks you through, a few more options, scroll down to the “Preferences” section and click “Appearance“.
iPhone How To Enable Dark Mode
  • Under appearance change the theme option from “System Default” or “Light” to “Dark”.
system default iPhone
  • Once you hit dark mode, the whole outlook changes into a black theme.
Outlook For iPhone How To Enable Dark Mode

Microsoft outlook dark theme is only available for 365 users, But the black theme that’s been around for years has in fact an extremely limited use in Outlook.

For a few people, dark mode is more comfortable, and some complaint of headaches and eye problems due to the overwhelming bright background.

In this article, every step to enable and disable dark mode in Microsoft Outlook is given. Don’t forget to share how you customize your outlook today.


In conclusion, if you are a fan of dark themes or are just looking to keep your eyes healthy, you’ll want to turn on dark mode in Outlook.

To do that bring up the settings menu in Outlook by clicking on the Settings gear in the top right corner.

Once in the settings menu click on ‘Options’ and then scroll down to the bottom of the window and click on ‘Other’. In the options menu, you’ll see the option for dark mode.

The “Dark Mode” feature in Microsoft Outlook is one of the best things to happen to email since the invention of the mouse.

Dark Mode is all the rage on the internet, and it is slowly making its way into other apps. I hope Microsoft continues to add features that will keep Outlook the best email client on the market.

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