Outlook 2010 provides option to add contact from an email message. This can be done using the Add to Outlook Contacts menu option.
Steps – Add Contact from an email message
Open the the email message whose sender needs to be added to the Outlook Address Book. Navigate to the From email address and do a mouse right click.
Select Add to Outlook Contacts from the available menu list. This would display the following Add Contact screen where you can fill the required information and click on the Save option to confirm and save the changes.