How do I change my theme in Outlook?
If you would like higher contrast or different colors in Outlook, you can do this by changing the theme. Change your theme by following these quick steps:
1. Select the Settings gear icon in the top right menu bar of your Outlook window.
2. Select the "Theme" option at the bottom of the Settings panel.
3. Pick a theme. Scroll to the bottom of the theme section and select Save.
4. Close the settings panel by clicking the Settings gear icon in the top right menu bar of your Outlook window.