How to Change Folder and Message Spacing Density in Windows 10 Mail app

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.

The Mail app now supports increased density, giving users a choice over how much information is displayed on screen:
  • 26% more emails in multi-line mode
  • 84% more emails in single-line mode

Users can choose to have a spacious, medium, or compact folder and message spacing density in the Mail app.

This tutorial will show you how to change the folder and message spacing density to be spacious, medium, or compact in the Mail app 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. In the Personalization settings, select (dot) Spacious, Medium, or Compact for the Folder and message spacing density you want. (see screenshots below)

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That's it,