You can inspect the file but guess if you do not know or can not determine what type of backup it generates that you select Custom
One
DROP TABLE IF EXISTS `address_book`;
CREATE TABLE IF NOT EXISTS `address_book` (
`address_book_id` int(11) NOT NULL auto_increment,
`customers_id` int(11) NOT NULL default '0',
`entry_gender` char(1) NOT NULL default '',
`entry_company` varchar(64) default NULL,
`entry_firstname` varchar(32) NOT NULL default '',
`entry_lastname` varchar(32) NOT NULL default '',
`entry_street_address` varchar(64) NOT NULL default '',
`entry_suburb` varchar(32) default NULL,
`entry_postcode` varchar(10) NOT NULL default '',
`entry_city` varchar(32) NOT NULL default '',
`entry_state` varchar(32) default NULL,
`entry_country_id` int(11) NOT NULL default '0',
`entry_zone_id` int(11) NOT NULL default '0',
PRIMARY KEY (`address_book_id`),
KEY `idx_address_book_customers_id_zen` (`customers_id`)
) ENGINE=MyISAM AUTO_INCREMENT=10 ;