What is oa office software? What does oa office mean? As a professional office system, its full name is Office Automation, or OA for short. It is an enterprise's internal information platform. Its fully automated management can greatly improve efficiency and avoid duplication. It is not only easy to use, but also covers a lot of functions. One stop shop can solve all your problems in work, For example, communication with colleagues, document management, leave application, task management, etc., you can achieve it here!