UK Watchdog Investigates Microsoft Over Copilot AI Subscription Price Increases

The UK's Competition and Markets Authority launches an investigation into Microsoft Corp. over concerns that the company misled customers regarding Microsoft 365 subscription price increases. The watchdog is investigating whether users received clear information about pricing plans when the Copilot AI feature was added to the software suite, which includes Word, Excel, and Outlook.

CMA investigation into Microsoft

• ▪The Competition and Markets Authority is investigating whether Microsoft Corp. misled customers into paying more for its productivity tools software subscriptions.
• ▪The UK's Competition and Markets Authority launched an investigation into Microsoft Corp. on July 29, 2026.

Microsoft 365 Copilot pricing changes

• ▪Microsoft Corp. increased the prices of its Microsoft 365 subscriptions after adding its Copilot AI product to the software suite.
• ▪Microsoft 365 subscriptions include productivity applications such as Word, Excel, and Outlook.

Consumer transparency concerns

• ▪The Competition and Markets Authority flagged concerns that customers may not have been given clear information about Microsoft 365 subscription plans.
• ▪The Competition and Markets Authority is investigating whether customers were given clear information about price increases when adding new features like Copilot.

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