You can copy contacts from any of your address books into a personal address book. You cannot copy contacts into the corporate address book or the collected addresses address book.
To copy a contact to a personal address book:
From any of your address books, find the contact you want to copy.
See How Do I Search for a Contact? for more information.
From the address book toolbar, select the Copy to icon.
From the context menu, select the personal address book into which you want to copy the contact.