Learn the realities of being a Microsoft Office Specialist and efficiently prepare for the Word Associate MO-100 Exam with a single, comprehensive study guide MCA Microsoft Office Specialist Study Guide: Word Associate Exam MO-100 comprehensively prepares you for the MO-100 Exam. Accomplished and experienced author Eric Butow provides readers with a one-stop resource for learning the job responsibilities of a Microsoft Office Specialist and succeeding on the MO-100 Exam.