How to Delete Duplicate Emails in EntourageIn Feburary 2016 17,

In Feburary 2016 17,
Select 'Go' at the top of your Macintosh's desktop screen, and click 'Applications' on the drop-down menu. Double-click the 'Office' folder, and double-click the 'Entourage' icon to run the application.
Click 'Entourage' on the menu bar at the top of the screen. Select 'Preferences' from the drop-down menu.
Click the arrow next to the 'General Preferences' header, and select 'Sync Services' in the General Preferences section. Uncheck the checked boxes next to the devices and applications synced to Entourage, and click the 'OK' button in the lower-right corner of the Preferences window to save the changes and exit.
In Feburary 2016 17,