Canary for macOS provides a rich-text message editor, allowing you to choose styles, fonts, colors, and more to apply to your message text. The formatting toolbar offers a number of formatting options. You can change your font style, size, and color or stylize your text by making it bold, italic, or underlined. You can also choose your favorite font style and set it as a default for all your outgoing messages. You can change your text alignment, increase and decrease indentions and create bulleted lists as you go. The formatting toolbar also allows you to embed hyperlinks and GIF images. To make any font, font size, or font color default, Click compose > Select the text you want to style > Select the font, font size and the font color you want to make default > Click on the 'Make Default' symbol (besides the color option).