This should answer your question:

 This nationally recognized Microsoft Office Specialist (MOUS) online or classroom certification training program is comprehensive, practical and effective. The Comma Method of Microsoft Office® training was designed to meet the needs of college students, educators, administrators, and business professionals. This course uses real-life examples to teach the skills that employers want their employees to have.

The Microsoft Office® Specialist program is the only performance-based certification program approved by Microsoft to assess and validate computer skills using Microsoft Excel, Word, PowerPoint, Access and Outlook. This online certificate program is only offered in partnership with major accredited colleges and universities.

Regards

Maria J