Use the options on the Preferences>Address Book tab as follows:
Display contacts per page. Select how many contacts to display per page. The default is to display 25 contacts per page, but you can select 10, 50, or 100 items per page.
Default View. Choose to display contacts either in a list view or in business card view.
Settings. Select Add new contacts to “Emailed Contacts” to automatically add addresses to your address book when you send email. If this is enabled, addresses are saved to your Email Contacts folder.
Import / Export. Import contacts to and export contacts from your ZWC Contacts list. The file to import must be in a comma-delimited format. See Importing Contacts and Exporting Address Books