Full Breakdown
Microsoft Under Investigation: Japan's Antitrust Raid and Global Scrutiny
2/28/2026, 6:04:43 AM
Japanese Authorities Investigate Microsoft’s Cloud Practices
On Wednesday, Japanese authorities conducted a raid on Microsoft’s Tokyo offices as part of an investigation by the Japan Fair Trade Commission (JFTC). The inquiry centers on allegations that Microsoft Japan imposed conditions that hindered Azure cloud customers from utilizing competing services. A source familiar with the situation indicated that the JFTC suspects Microsoft of restricting access to popular services on rival platforms. Microsoft Japan has stated that it is "fully cooperating with the JFTC in their requests." This marks the first instance of Japan's antitrust watchdog targeting Microsoft, which is currently facing similar scrutiny in multiple countries.
Global Regulatory Challenges
The investigation in Japan is part of a broader pattern of regulatory challenges for Microsoft. In the United Kingdom, competition lawyer Maria Luisa Stasi filed a £2.1 billion lawsuit in December 2025, alleging that Microsoft overcharged approximately 60,000 British businesses using Windows Server software on competing cloud platforms, such as those operated by Amazon, Google, and Alibaba. The UK's Competition and Markets Authority found that Microsoft's licensing practices disadvantaged competitors like Amazon Web Services (AWS) and Google. Additionally, Brazil's competition authority opened an investigation in January, echoing concerns raised in the UK about Microsoft's global licensing policies.
Market Reactions and Investor Sentiment
Following the news of the raid, Microsoft’s stock price fell by over 2%, reflecting investor concerns about the implications of the ongoing investigations. The stock dropped to $392.22, erasing previous gains amid a broader market downturn influenced by inflation and uncertainty in the AI sector. Analysts note that the combination of regulatory scrutiny, competition from other cloud providers, and rising operational costs are contributing to a challenging environment for Microsoft.
Criticism from Industry Groups
Industry groups, including NetChoice, have criticized Microsoft’s market practices, highlighting the extraordinary scale of its licensing decisions as the world’s largest software company. They argue that Microsoft’s dominance in operating systems and productivity software may unfairly push customers toward Azure while penalizing those who choose competing services. This sentiment underscores the growing concern among stakeholders regarding Microsoft's influence in the cloud market.
Official Statements and Responses
Microsoft has defended its business model, asserting that it fosters competition and that the cloud market remains dynamic. The company emphasized its commitment to cooperating with regulatory inquiries while maintaining that its practices are not anti-competitive. Microsoft Vice Chair and President Brad Smith acknowledged the administration's efforts to manage electricity costs for data centers but noted that without binding contracts, the impact may be limited.
Conflicting Reports and Future Outlook
As investigations continue, the outcome remains uncertain. While Japan's raid does not guarantee immediate enforcement actions that could affect sales, the potential for increased scrutiny could influence investor sentiment. Market participants are closely monitoring the JFTC's next steps regarding Azure practices and the implications of the upcoming March 4 White House meeting on data-center economics. The March 13 release of the PCE inflation report is also anticipated as a critical moment for market dynamics and investor confidence in major tech firms like Microsoft.
