Microsoft AI Investigation
UK Competition Authority Investigates Microsoft 365 AI Bundling and Higher Renewal Prices
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Key Points
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The CMA's May 2024 review broadened to Microsoft's entire commercial software ecosystem, investigating whether deep bundling of Copilot with Windows, Office and Teams, along with default settings and interoperability issues, harms competition.
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The CMA can impose penalties of up to 10% of global revenue if consumer protection or antitrust laws are breached, a potential sanction that could exceed billions for Microsoft depending on revenue.
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From January 2025, Copilot and other AI features were added to existing Microsoft 365 Personal and Family subscriptions, but at renewal existing customers were automatically moved to a higher-priced plan unless they opted out, with the CMA examining whether renewal communications were misleading.
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Regulators are pursuing parallel investigations across Europe (including Italy) and Australia; the CMA has yet to conclude a breach, and results are expected by February 2027 as it scrutinizes communications and pricing surrounding AI-enabled subscriptions.
The UK's Competition and Markets Authority has launched an investigation into Microsoft over its Microsoft 365 subscription practices, focusing on whether customers were misled when AI features were bundled into existing plans. Morningstar reported that the CMA is examining whether consumers had clear enough information before being moved to higher-priced tiers.
Starting in January 2025, Microsoft added Copilot and other AI tools to Personal and Family subscriptions. At renewal, existing customers were automatically shifted to a pricier plan unless they actively opted out. The CMA wants to know if Microsoft's communications about that change were fair and transparent, according to Sharecast.
How Microsoft Quietly Moved Customers to Pricier Plans
Before January 2025, Microsoft 365 Personal and Family subscribers paid a set monthly or annual rate. Then Microsoft added Copilot AI and other features to those plans — and raised the price. Digit reported that customers who did not take action were automatically renewed at the higher rate.
The CMA's core concern is simple: were people told clearly enough that their plan was changing? Regulators are asking whether Microsoft's renewal notices gave customers a real chance to opt out before being charged more. Microsoft says it is cooperating fully with the investigation, according to LSE.
CMA's Broader Probe Targets AI Bundling Across Microsoft Products
The subscription pricing issue is just one part of a bigger picture. The CMA first broadened its Microsoft review in May 2024 to cover the company's entire commercial software ecosystem. That probe looks at whether bundling Copilot with Windows, Office, and Teams — along with default settings and interoperability barriers — harms competition.
PYMNTS reported that regulators are scrutinizing how Microsoft markets and prices its AI-enabled products more broadly. The CMA has not yet concluded that any rules were broken. It expects to wrap up its findings by February 2027.
Regulators in Europe and Australia Are Watching Too
The UK is not acting alone. Parallel investigations are underway in Europe — including Italy — and in Australia. Each probe is examining similar questions: did Microsoft give customers fair warning about price changes tied to AI features, and does bundling Copilot harm competition?
Morningstar noted that the multi-country scrutiny reflects a growing concern among regulators about how big tech companies fold AI tools into existing products and charge more for them. Microsoft has not been found to have broken any laws in any of the ongoing cases.
Microsoft Could Face Fines Worth Billions If Found in Breach
The stakes are high. If the CMA finds that Microsoft broke consumer protection or antitrust rules, it can impose fines of up to 10% of the company's global annual revenue. For a company of Microsoft's size, that could run into the billions of dollars.
Sharecast reported that the CMA has the power to force Microsoft to change how it communicates pricing and structures its plans. For now, the regulator is still gathering evidence, and no formal breach has been declared. A final decision is not expected before February 2027.
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