How to change the colour of unread emails in Entourage 2008 (Version 12.1.5).
- With Entourage open select the ‘Entourage’ menu at the top of the screen
 - Choose ‘Preferences’
 - Under ‘Mail & News Preferences’ select ‘View’
 - Select ‘Show messages using these colours’
 - Select the desired colours for unread and read emails
 - Click ‘OK’ to save the changes.