Change Rich Text to HTML when sending to Internet recipients in Outlook 2007

To change the Rich Text format to HTML format automatically when sending an email message to Internet recipients in Microsoft Outlook 2007, you can do as following:

Step 1: Click the Tools > Options.

Step 2: In the Options dialog box, click the Internet Format button on the Mail Format tab.

Step 3: In the popping up Internet Format dialog box, click the box in the Outlook Rich Text Options section, and specify the Convert to HTML format from the drop down list.

Step 4: Click both OK buttons to close two dialog boxes.