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.

Firefox adds two other file-save options: "Text files" and "All files." "Web Page, complete" saves the HTML file and a folder containing other elements on the page, such as images and scripts.