To change the view for all items:
Make selections in theand group boxes.
(Optional) In thegroup box, select next to if you want to prevent HTML-only messages from being displayed when no plain text version is available.
If you select, a message informs you whenever an HTML-only message cannot be displayed; however, you can still click > to view it. If you do not select , HTML-only messages are displayed in HTML, even though you have selected for the default read view.
Select a default font style.
Select a default font size.
To change the view in one item:
Open an item.
Click, then click or .