How to Change to a Light or Dark Theme for Mail app in Windows 10

The Mail and Calendar apps included with Windows 10 help you stay up to date on your email, manage your schedule and stay in touch with people you care about the most. Designed for both work and home, these apps help you communicate quickly and focus on what’s important across all your accounts. Supports Office 365, Exchange,, Gmail, Yahoo! and other popular accounts.

You can choose to use a light or dark theme in the Mail app.

The left pane in the Mail app will not show the selected color as its solid color background if you use a dark theme. Instead, it will use the color black.

This tutorial will show you how to change the Mail app theme to use a light or dark theme for your account in Windows 10.

Here's How:

1. Open the Mail app.

2. Click/tap on the Settings button at the bottom of the left pane, and click/tap on Personalization in the Settings flyout. (see screenshot below)

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3. Select (dot) Light mode, Dark mode, or Use my Windows mode for what you want. (see screenshots below)

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That's it,