Using relative URLs, something like will not work, you have to use full URL like. All links and images must use absolute URLs.If you do not follow these rules, the inserted HTML code will not look right in the Outlook. There are, however, some rules for developing HTML pages for embedding them into Outlook email. Essentially, you develop HTML code for email the same way as you develop a webpage. You can inspect that HTML code, explore, modify, and save it. The HTML source will open in a Notepad window as shown in this picture: In order to do this in Outlook 2013 (Microsoft Office 2013), open the email of your interest and click through Actions → Other Actions → View Source as shown in the following picture: When you see an email in you Outlook’s Inbox that draw you attention you can easily inspect its 'guts' – the source HTML code. You can start with looking at what and how others do. Inspecting the source code of an email in Outlook You would just need to know some HTML and have your beautiful images ready. You can do it too and it’s very easy to do. Emails that can be used for newsletters or marketing campaigns. Ever wondered how people create those beautiful e-mails that popup in your Outlook mailbox every day? Emails that look like web pages.

Create outlook email template online