Microsoft certification changes

Dated records of changes to Microsoft certification exams: when an exam opens, closes for registration or has its skills outline revised. Each entry quotes the Microsoft Learn page it comes from.

• AB-730 skills outline changes on 20 October 2026. Microsoft revises the AB-730 skills measured as of 20 October 2026, adding a skill area on agents and removing one.
• AB-400 replaces PL-400 on 16 October 2026. Microsoft closes PL-400 registration and opens registration exclusively for AB-400 on 16 October 2026.

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