Once a contact has been added, you may then edit it, if necessary. 

To edit a contact: 

1.To edit an existing contact, simply select the contact, and right-click on the selected contact. On the context menu select the "Edit contact..." option. 

The Name of the Contact - *Contact will be displayed in the title bar. 

2.Edit any of the fields you need to edit on the Main tab, Telephone tab or the Notes tab. 

3.Click on the OK button.