MS-900 Retired 2026: FREE Guide + AB-900 Pivot
MS-900 retired March 31, 2026. FREE 2026 guide — final 4 domains, AB-900 successor (Copilot, Purview DSPM for AI), Microsoft Learn, unlimited free practice.
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Pass PL-900 in 2026: current Microsoft outline, the July 2026 refresh adding Copilot Studio agents, dropping Power Pages, free practice, and a 4-6 week plan.