Create a new message in Outlook 07 and go to Insert > and click on the Attach File (Paperclip Icon) A dialog box for insert file will pop up, When you select the HTML file the INSERT button to the bottom right will activate – but to the right of the button there will be a down arrow, click on that, and you will see two options – INSERT and INSERT AS TEXT – CHOOSE INSERT AS TEXT – and your HTML will appear within the Email box !