Certifications

Microsoft Office Specialist (MOS)

Microsoft Office Spacialist

Microsoft Office Specialist (Office Specialist) certification, the premier Microsoft desktop certification, is a globally recognized standard for demonstrating desktop skills. The Office Specialist program is helping meet the demand for qualified and knowledgeable people in the modern workplace.


The Microsoft Office Specialist (MOS) program is the only comprehensive, performance-based certification program approved by Microsoft to validate desktop computer skills using the Microsoft Office programs:

  • Microsoft Word
  • Microsoft Excel
  • Microsoft Outlook®
  • Microsoft PowerPoint®
  • Microsoft Access
  • Microsoft Project
The Office Specialist program provides computer program literacy, measures proficiency, and identifies opportunities for skills enhancement. Successful candidates receive an Office Specialist certificate that sets them apart from their peers in the competitive job market. The certificate is a valuable credential recognized worldwide as proof that an individual has the desktop computing skills needed to work more productively and efficiently.
By encouraging individuals to develop advanced skills with Microsoft business desktop software, the Office Specialist program is helping to fill the demand for qualified, knowledgeable people in the workplace. Office Specialist also helps satisfy an organization's need for a qualitative assessment of employee skills.

The Office Specialist program offers four levels of certification:

  • Specialist certification
  • Expert certification
  • Master certification
  • Master Instructor certification
To earn Office Specialist certifications, see the Office Specialist Certification Requirements page.
Fast Facts on Office Specialist

  • The Office Specialist program is available in more than 100 countries and in 17 different languages.
  • More than 1 million Office Specialist certificates have been issued.
  • Approximately 32,000 Office Specialist certificates are issued each month.
  • More than 6,000 Office Specialist Master Instructors have been certified.