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UK competition regulator to investigate Microsoft’s business software ecosystem

First covered Tuesday, March 31, 2026Business & MarketsWell-covered

The Facts

  • The UK Competition and Markets Authority said it will launch a Strategic Market Status investigation into Microsoft’s business software ecosystem in May.
  • The investigation covers Microsoft products including Windows, Word, Excel, Teams and Copilot.
  • The CMA’s investigation will assess whether Microsoft should be designated with Strategic Market Status under the UK’s digital markets regime.
  • An SMS designation could allow the CMA to impose conduct requirements or other pro-competition interventions on Microsoft.
  • The CMA has linked the new probe to concerns that Microsoft’s software licensing practices may reduce competition in cloud computing.
  • The CMA said hundreds of thousands of UK businesses and public sector organizations use Microsoft’s business software tools.
  • The CMA also said Microsoft and Amazon are taking steps to address some cloud-market concerns, including interoperability and certain fees.

Context

What is the CMA investigating?

The CMA said it is investigating Microsoft’s business software ecosystem, including products such as Windows, Word, Excel, Teams and Copilot, to determine whether the company should receive Strategic Market Status in this area gov.uk,Reuters,Bloomberg Business.

Why is the regulator focusing on Microsoft’s software business now?

The CMA said it has concerns about Microsoft’s position in business software and about whether its software licensing practices reduce competition in cloud computing; it also said the growing integration of AI into workplace software makes this a significant moment for the sector gov.uk,Reuters,Bloomberg Business.

What could happen if Microsoft is given Strategic Market Status?

If Microsoft is designated with Strategic Market Status, the CMA could impose conduct requirements or other pro-competition interventions, including action related to software licensing practices Investing.com,Reuters,POLITICO.

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The receipts — all 55 sources

Wire services (4)

APTelecompaperUK opens new competition investigation into Microsoft licens...
ReutersLondon South EastMicrosoft faces second major UK investigation over cloud lic...
ReutersGlobal Banking & Finance ReviewUK to Launch Antitrust Investigation into Microsoft Business...
ReutersReutersUK to launch antitrust probe into Microsoft's business softw...

Independent coverage (50)

ITProUKMicrosoft, Amazon cloud practice changes spark mixed industr...
Windows CentralMicrosoft faces a UK regulator probe, again. This time, it's...
UKAuthorityCMA to investigate Microsoft's business software ecosystem |...
TechRadarMicrosoft set to face another major UK probe - this time ove...
Windows Report | Error-free Tech LifeMicrosoft Faces UK CMA Investigation in May 2026 Over Cloud ...
ComputingMicrosoft faces fresh UK probe over cloud competition
UKTN (UK Tech News)CMA targets cloud and business software in competition push ...
Silicon UKCMA To Probe Microsoft Over Software Dominance | Silicon UK
ExBulletinWorking constructively with the UK CMA to support customer c...
The HinduMicrosoft business software faces UK competition probe
TweakTownUK regulators launch probe into Microsoft's software ecosyst...
Network WorldMicrosoft facing CMA probe of its business software portfoli...
ETTelecom.comMicrosoft business software faces UK competition probe
caithness-business.co.ukCMA announces package of actions on business software and cl...
WebProNewsMicrosoft's Cloud Empire Faces Its Biggest Regulatory Threat...
ChannelNewsGlobal Regulators Intensify Scrutiny of Microsoft's Market P...
Economic TimesMicrosoft business software faces UK competition probe - The...
engadgetThe UK's antitrust regulator is looking into Microsoft's pos...
Business StandardMicrosoft faces second major UK investigation over cloud lic...
The StackUK watchdog drives new cloud data egress changes
TheRegister.comMicrosoft to face CMA scrutiny over cloud software licensing
DCDUK's competition watchdog launches SMS investigation into Mi...
Channels TelevisionMicrosoft Business Software Faces UK Competition Probe
The Tech PortalMicrosoft faces new UK investigation over alleged anti-compe...
ITProUKCMA launches Microsoft probe amid software licensing concern...
BOLSAMANIAMicrosoft faces UK probe into business software 'ecosystem'
NeowinUK watchdog to probe Microsoft business software over market...
MorningstarU.K. Competition Watchdog Hones in on Microsoft's Business S...
Daily Mail OnlineMicrosoft to face competition watchdog probe over business s...
The IndependentMicrosoft to face competition watchdog probe over business s...
Yahoo! FinanceMicrosoft to face competition watchdog probe over business s...
Express & StarMicrosoft to face competition watchdog probe over business s...
The Irish NewsMicrosoft to face competition watchdog probe over business s...
DigitCMA Launches Antitrust Probe Into Microsoft's Business Softw...
POLITICOAmazon, Microsoft dodge UK cloud market dominance designatio...
News.azUK launches antitrust probe into Microsoft | News.az
MorningstarMicrosoft's Business Software Ecosystem Comes Under U.K. Ant...
Investing.comUK watchdog to probe Microsoft software dominance, AI integr...
MoneyControlMicrosoft business software ecosystem faces UK competition p...
CityAMCMA launches investigation into Microsoft amid cloud contrac...
Computer WeeklyCMA to launch strategic market status investigation into Mic...
CNBCMicrosoft hit with UK competition regulator probe over softw...
Mirage NewsCMA Unveils Measures for Business Software, Cloud
CNAMicrosoft faces second major UK investigation over cloud lic...
CNAUK to launch antitrust probe into Microsoft's business softw...
gov.ukCMA announces package of actions on business software and cl...
Bloomberg BusinessMicrosoft Business Software Ecosystem Faces UK Competition P...
Financial Times NewsMicrosoft faces UK watchdog probe over business software
Computer WeeklyCMA turns spotlight on Microsoft software ecosystem | Micros...
LexologyCloud "remains central" to CMA's approach as it announces in...

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