Email, Messaging, & Video Calls > Email How to Use Custom Fonts in Yahoo Mail Add a personal touch to messages with custom fonts in Yahoo Mail By Heinz Tschabitscher Heinz Tschabitscher Writer University of Vienna A former freelance contributor who has reviewed hundreds of email programs and services since 1997. lifewire's editorial guidelines Updated on February 14, 2021 Email Yahoo! Mail Gmail Trending Videos Close this video player What to Know To change the font and text size while composing a message, highlight the text and select AA. Then, choose a font and text size.Use the formatting toolbar to add enhancements to text such as bold, italics, color, and more.If the recipient has chosen to only accept plain text messages, your enhancements won't appear on the recipient's end. This article explains how to change the font in Yahoo Mail to add a personal touch to your messages. How to Use Custom Fonts in Yahoo Mail To write a message using a custom font in Yahoo Mail: Select Compose to start a new message. Click the body of the message, go to the toolbar at the bottom of the window, then select AA. Select a font and text size. These changes are not permanent. Subsequent new email messages revert to the default font and text size. Type your message. To change the font and text size while composing a message, highlight the text and select AA. Other Font and Text Enhancements for Yahoo Mail Use the formatting toolbar to add enhancements to text such as: BoldItalicsColor and highlightingBullet listsOrdered listsParagraph alignmentHyperlinks Select the ellipses (...) on the toolbar to reveal additional options. All of these features require Rich Text formatting to display. If you select the option in the formatting bar to switch to plain text, none of the enhancements will show. The same applies if the recipient has chosen to only accept plain text messages. In that case, none of your enhancements appear on the recipient's end. Was this page helpful? Thanks for letting us know! Get the Latest Tech News Delivered Every Day Subscribe Tell us why! Other Not enough details Hard to understand Submit