This question is essentially prompting you to link your skills, experiences, or qualities to Microsoft's mission, demonstrating why you would be a beneficial addition to the company. The interviewer is interested in determining your familiarity with Microsoft's mission and whether your values resonate with those of the company. It is crucial to be aware of the company's mission, which is currently "to empower every person and every organization on the planet to achieve more." Therefore, you should emphasize how your capabilities or personal mission correspond with this goal and how you can assist in realizing it.