MOS and MTA Certifications available online 

Through a partnership with the Washington Library System, Career Support Services and the Administrative Professionals Committee now offer employees the opportunity to connect with the King County Library and Seattle Public Library for MOS and MTA certification exams, as well as online study guides. Employees can earn their Microsoft Office Specialist (MOS) and Microsoft Technology Associate (MTA) certifications from home at no cost, as well as access study guides and practice tests to help earn the certification. As a reminder, employees may also use the online learning website at no cost with their library card. 

For questions about the certifications, please contact the King County Library at or the Seattle Public Library at For additional questions, please email