HTML files are opened by default by Web browsers but contain plain text. If you work with HTML files in your small business, it might be easier to edit them if you first save them as text files ...

You can save Emails as a Text Only, Outlook Template, Outlook Message Format, Unicode, HTML, and MHT file on your Windows PC. Learn how.

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.

A file with the MHTML file extension is a Mime HTML archive file. MHTML files are created when the user implements the "Save to Web Page" feature in Microsoft Word. MHTML files include all links ...