AB-400: Power Platform Developer Associate

AB-400 replaces PL-400 from 16 Oct 2026. Microsoft closes PL-400 registration that day, and anyone already booked can sit PL-400 until 30 Oct 2026. This practice set is written to the AB-400 outline.

Opens 16 Oct 2026. Practice questions and the mock exam unlock on that date. Browse open exams.

What AB-400 covers

  1. Build Microsoft Power Platform solutions
  2. Extend the user experience
  3. Extend Microsoft Power Platform
  4. Develop integrations