How long before the CMA’s Microsoft case changes AI choice beside Copilot?

How long before the CMA’s Microsoft case changes AI choice beside Copilot?

By Resultsense
Publication Date: 2026-10-21 07:57:00

A designation is a starting gun, not a ruling

On 16 October the UK competition regulator, the CMA, proposed giving Microsoft strategic market status across its business software, which the regulator says more than a million UK firms and public bodies use. Our news report covers the announcement itself. This piece looks at the clock. The CMA’s own timetable puts a final designation decision in February 2027, and its roadmap places its planned work, the Copilot question included, in “the first half of any designation period”, a period the law sets at five years. For UK organisations deciding now which AI tools to run alongside Microsoft 365, the case is a long process, not an imminent change in the rules.

Strategic Insight: The roadmap is explicit that it “does not set out the evidence or reach a view on interventions”. Nothing published on 16 October alters Microsoft’s products or licence terms. What it does is name the questions the CMA intends to investigate,…