SLACK FILES ANTICOMPETITIVE COMPLAINT VS. MICROSOFT IN EU

Workplace chatting service Slack has filed a complaint in the European Union against Microsoft, accusing the software company of anti-competitive behavior.

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Slack said that Microsoft illegally bundles its Microsoft Teams messaging product, which is similar to Slack, into Office 365, its package of email, and other widely used business software. Slack says Microsoft forces companies to install it for millions and blocks its removal.

Microsoft Corp. said in a statement that it looks forward to providing the European Commission with more information and answering its questions.

San Francisco-based Slack Technologies Inc., which went public in 2019, has been growing rapidly. It reported $201.7 million in sales in its February-April quarter, up 50% from the same time last year. It also reported 122,000 paid customers, up 28% from when the company went public in April 2019.