MOS Certification and Classes

Learn what the requirements are for earning MOS (Microsoft Office Specialist) certification. Find out what types of certifications are offered, learn about the exams, and get information on the online preparation classes that are available.

What You Need to Know

MOS stands for Microsoft Office Specialist. Microsoft offers this certification for the 2007, 2010, 2013 and 2016 versions of Office. Earning MOS certification basically documents that you've become proficient in at least one Microsoft Office product. Microsoft also offers an MOS master certification, which documents expert-level proficiency in multiple Microsoft Office products.