MOS (Microsoft Office Specialist) /MCAS (Microsoft Certificate Application Specialist) certification entered Beijing in 2006, and it is the only international office qualification certificate independently developed by Microsoft. The certificate has been recognized by 134 countries, and 2 million people take exams in 22 languages every year. The MOS/MCAS certificate obtained in China can also be used in other countries in the world, such as the United States, Japan and South Korea. Examination content: It consists of five subjects and is divided into three grades. According to Nanjing Xi, project manager of YBM Company, the general agent of MOS/MCAS in Beijing and North China, the MOS exam includes five subjects: MSWord, Excel, PPT, Access and Outlook. Each subject is evaluated separately and divided into three grades: professional, expert and master. These skills will have a direct impact on the daily office ability of the office. Compared with other certifications, MOS test focuses on the comprehensive ability of office applications. Cost: The self-study time of each subject generally takes 1-2 weeks, and the training needs 12- 15 hours. The examination fee for each subject is 375 yuan, and colleges or enterprise groups can enjoy preferential treatment when registering.