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Salesforce Files Antitrust Lawsuit Against Microsoft in UK

Salesforce (NYSE:CRM) and its subsidiary Slack have filed an antitrust lawsuit in the United Kingdom against Microsoft (NYSE:MSFT), accusing the tech giant of illegally bundling Teams with its other products. The lawsuit follows earlier complaints to European authorities and underscores Salesforce's focus on AI-driven workflows.

April 28, 2026
2 min read
Source: Simply Wall St.
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Salesforce (NYSE:CRM) and its subsidiary Slack have filed an antitrust lawsuit in the United Kingdom against Microsoft (NYSE:MSFT), accusing the tech giant of illegally bundling its Teams collaboration app with other Microsoft products. This legal action follows earlier complaints made to European regulators regarding Microsoft's practices in the collaboration tools market.

Details of the Action

The lawsuit, filed in UK courts, challenges Microsoft's practice of tying Teams to its Office 365 and Microsoft 365 suites, giving it an unfair advantage over competitors like Slack. Salesforce is seeking regulatory measures to prevent this bundling or mandate its separation.

Company's Position

Salesforce argues that these practices harm competition in the enterprise collaboration tools market and limit customer choice. The lawsuit comes as Salesforce promotes its Agentforce AI platform and Google Cloud integrations for automating workflows in large organizations.

Precedents and Context

Salesforce previously filed a similar complaint with the European Commission in 2020, which led Microsoft to unbundle Teams from Office 365 in Europe. However, Salesforce believes these measures were insufficient and continues its regulatory pressure.

Potential Financial Impact

The compensation sought in the lawsuit has not been disclosed, but it could result in significant fines for Microsoft if the violation is proven, or changes to its business model in the UK.

Frequently Asked Questions

Salesforce and its subsidiary Slack filed an antitrust lawsuit in the UK against Microsoft, accusing it of illegally bundling Teams with its products, harming competition.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.