What Is the Microsoft Office Specialist (MOS) Certification Test?
Becoming a certified Microsoft Office Specialist is a way to document proficiency in one or more Office software applications. The “Specialist” title means you passed at least one application-specific certification exam focusing on Word, Excel, PowerPoint, Access, or Outlook in Office 2000, Office XP or Office 2003. The certification test focuses on performance-based objectives specific to the application you choose.