Outlook 2007
- In the top-side menu bar, select "Tools", then select "Options" from the drop-down menu.
- Click on the "Mail Format" tab.
- Un-check the box "Reduce the file size..."
- Find "Compose in this message format", and select "HTML" from the drop-down menu.
- Click on the "Internet Format" button.
- Find "When sending Outlook Rich Text messages...use this format", and select "Convert to HTML format" from the drop-down menu.
Consult the image below - all formatting should appear as it does in the image.

