European Sovereignty Monitor

Policy and law

UK competition watchdog opens Microsoft probe, wins cloud fee pledges

The UK Competition and Markets Authority opened a strategic market status investigation into Microsoft's business software ecosystem starting in May 2026, and secured commitments from Microsoft and Amazon on cloud data egress fees and interoperability.

Verified AI-drafted GOV.UK (Competition and Markets Authority) press release, 31 March 2026

What it does not test. Does not establish that Microsoft has been found to hold strategic market status, since that determination follows the investigation opening in May 2026.

How this item counts. No movement: no answer to who owns, who operates, whose law governs or who made the parts changes. Weight 0. Fee/interop pledges ease switching but don't change who owns/runs the clouds. European Sovereignty Index

How this item was made. Drafted by an AI system (Claude (Anthropic)) from the source cited above and published under the editor’s responsibility without a person reading it first. How the record is made

What the tags mean: VerifiedReportedAI-draftedAI-drafted, editor-readHuman-writtenWhat the tags mean

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