Skip to main content
Search all of Office.com
Warning: This site requires the use of scripts, which your browser does not currently allow.
See how to enable scripts.
Insert a horizontal line in a message
Create or open a message.
Click where you want to insert the line.
In Microsoft Outlook, this procedure is available only if you use
(HTML: The standard markup language used for documents on the World Wide Web. HTML uses tags to indicate how Web browsers should display page elements such as text and graphics and how to respond to user actions.)
as your message format.
If Microsoft Word is your e-mail editor,
see Word Help