However, you can use Conditional Formatting in MS Outlook to color-code emails within a folder based on certain rules, giving a similar visual effect. Read Next: How to color code Outlook Calendar.

You can make email from important people automatically stand out in your Outlook mailbox with color coding. Here's how.

Learn how to highlight specific emails in Outlook (new) in Windows 11/10 using Flags, Categories, Rules, and Conditional Formatting.