Can I add another email address to my entourage? How?
If it's from a message you receive, just select "Add to Address Book" under
Message in the Menu bar. Handy shortcut command-option-C for 2008.
You can also open the Address Book in Entourage and select "New". Under File
in the Menu bar. Command-N
Entourage Help covers most basic functions. Try checking there first. Search
for Create a contact.