In previous versions of Microsoft Outlook (the classic app), you could view the HTML code of an email by opening the email, right-clicking on it, and selecting “View source” from the context menu.

How to Display Email in HTML in Outlook 2007. Microsoft Outlook 2007 supports both plain text messages and HTML emails that contain links, formatting and graphics.

If the Mail app of Windows is displaying its emails in raw HTML data or code instead of the regular readable format, follow these solutions to resolve the issue.