When you want to add special emphasis or structure to message text, you can use HTML (Hypertext Markup Language) formatting to change the text. Using HTML formatting also enables you to add graphics and links to Web sites in your messages. HTML is the standard for formatting text for the World Wide Web.
When you use HTML formatting, and the recipient's mail or news program does not read HTML, the message appears as plain text with an HTML file attached. The recipient can view the attached file by opening it using any Web browser.
The following topics provide more information about formatting: