How to turn outlook to dark mode

Last Updated: Feb 17, 2024 by

In recent years, dark mode has become increasingly popular among users of various devices and applications. Not only does it reduce eye strain and improve readability, but it also gives a sleek and modern look to the interface. Many popular applications, including Outlook, have now introduced a dark mode option for their users. In this article, we will discuss how to turn Outlook to dark mode and troubleshoot any issues that may arise.

Enabling Dark Mode in Outlook

To turn on dark mode in Outlook, follow these simple steps:

  1. Open Outlook and click on the File tab in the top left corner.
  2. In the menu that appears, click on the “Options” button.
  3. In the Outlook Options window, select the “General” tab.
  4. Under the “Personalize your copy of Microsoft Office” section, click on the drop-down menu next to “Office Theme.”
  5. Select “Black” from the options.
  6. Click on “OK” to save the changes.

Your Outlook interface should now be in dark mode. If you prefer a darker shade, you can also select “Dark Gray” from the drop-down menu.

Troubleshooting Dark Mode Issues

If you have followed the steps above and your Outlook is still not in dark mode, there may be a few reasons for this. Here are some troubleshooting tips to help you resolve the issue:

Check for Updates

Outlook may not have the dark mode option if you are using an older version. Check for updates and make sure you have the latest version of Outlook installed.

Check Your Operating System

Dark mode in Outlook is only available for Windows 10 and macOS Mojave or later. If you are using an older operating system, you will not be able to turn on dark mode in Outlook.

Check Your Office Theme Settings

If you have followed the steps to enable dark mode in Outlook but it is still not working, check your Office theme settings. In the Outlook Options window, under the “Personalize your copy of Microsoft Office” section, make sure the “Office Theme” is set to “Black” or “Dark Gray.”

Restart Outlook

Sometimes, simply restarting Outlook can resolve any issues with dark mode not working. Close the application and open it again to see if the dark mode is now enabled.

Check for Third-Party Add-Ins

Some third-party add-ins may interfere with the dark mode feature in Outlook. Try disabling any add-ins you have installed and see if that resolves the issue.


Dark mode in Outlook not only looks great but also has many benefits. By following the steps outlined in this article, you can easily turn on dark mode in Outlook and enjoy a more comfortable and modern interface. If you encounter any issues, try the troubleshooting tips provided to resolve them. With dark mode enabled, you can now enjoy a more visually appealing and user-friendly experience in Outlook.

Have you tried dark mode in Outlook? Let us know your thoughts in the comments below.

Gulrukh Ch

About the Author: Gulrukh Ch

Gulrukh Chaudhary, an accomplished digital marketer and technology writer with a passion for exploring the frontiers of innovation. Armed with a Master's degree in Information Technology, Gulrukh seamlessly blends her technical prowess with her creative flair, resulting in captivating insights into the world of emerging technologies. Discover more about her on her LinkedIn profile.