OneApp Address Book for Mac - Version 3.6.7 OneApp Address Book OneApp Address Book is a practical telephone and address program for Mac that allows you to quickly and easily manage addresses, phone numbers, URLs and Email addresses. All this information, previously scattered on notes, notepads, diaries, phone books and also in various Email programs, Internet browsers and databases, is now stored in a single place. With OneApp Address Book you can quickly find what you are looking for. The program is really simple to use and lets you protect your data with a password. OneApp Address Book helps you in your daily work at the office or at home and can follow you everywhere in your PowerBook or iBook.