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The UK Competition and Markets Authority has opened a major antitrust probe into Microsoft’s commercial software practices, scrutinizing the bundling of Windows, Office apps and Teams and potential barriers to rivals, including AI competitors. The CMA may impose targeted remedies or extend oversight to cloud services if it finds Microsoft holds strategic market status; the inquiry is due by February 2027. The investigation follows broader regulatory scrutiny and comes amid operational hiccups at Microsoft—an update misconfiguration recently blocked Office installs on some Windows 365 cloud PCs, highlighting how product packaging and service reliability together shape enterprise choice and cloud competition.
The CMA probe could force changes to how Microsoft packages core enterprise software, affecting procurement, interoperability, and competitive dynamics for cloud and AI vendors. Tech professionals should watch for enforced remedies that change deployment patterns, vendor lock-in risks, and enterprise licensing strategies.
Dossier last updated: 2026-05-20 13:05:48
The UK Competition and Markets Authority (CMA) has opened an antitrust probe into Microsoft over bundling Windows, Office (Word, Excel), and Teams in the commercial software market. The CMA said it will examine whether Microsoft’s packaging practices weaken competition and whether AI rivals can access Microsoft’s commercial software ecosystem. If the CMA finds Microsoft holds a “strategic market status,” it could impose targeted remedies and extend scrutiny into cloud services; the probe is one of four launched under the CMA’s expanded powers and is due to conclude by February 2027. Microsoft said it will cooperate constructively with the review. The outcome could affect vendor interoperability, cloud competition, and enterprise software choice in the UK.
Reuters : The UK CMA launches an antitrust investigation into Microsoft's business software dominance, focusing on its bundling of Windows, Word, Teams, and other apps — Britain launched an antitrust investigation into Microsoft's (MSFT.O) dominance in business software that could lead to targeted action …
英国对微软的商业软件展开反垄断调查
Microsoft acknowledged a service update misconfiguration that, beginning May 12, prevented some Windows 365 cloud PCs from downloading and installing Microsoft Office. The company posted advisory WP1309017 saying any user attempting to install Office on Windows 365 devices could encounter failures, though the alert suggests a limited impact. Microsoft identified the root cause as a recent configuration change introduced by a service update and is developing a fix. Until the patch is deployed, affected enterprise customers can manually download and install Office from the Microsoft 365 web page to keep device provisioning and employee onboarding on track. The issue chiefly disrupts new device delivery and cloud PC initialization workflows.