By TOI Tech Desk
Publication Date: 2026-04-27 17:15:00
Salesforce and its messaging platform, Slack, have officially filed a lawsuit against Microsoft in London’s High Court, alleging that the tech giant is using its market dominance to crush competition in the workplace software industry, a report has said. Filed last week, the lawsuit accuses Microsoft of anti-competitive behaviour. Specifically, Slack argues that Microsoft “tied” and “bundled” its Teams messaging app with its Office suite, effectively forcing the product onto customers and limiting their ability to choose rival services.According to a report by news agency Reuters, a Slack spokesperson said “Microsoft’s practices harmed competition, using tying and bundling of Teams to limit customer choice”.
‘Microsoft Teams’ has become a global dispute
This isn’t the first time Microsoft’s “bundling” strategy has come under fire. In 2020, Slack filed a similar complaint with the European Commission. To avoid a massive fine in Europe last year,…

