- Daily Crunch: Slack files antitrust complaint against MicrosoftTechCrunch
- Slack files European Union antitrust complaint against MicrosoftCNBC Television
- Slack says Microsoft is back up to old bad tricks, “browser war” styleArs Technica
- Microsoft jabs at Slack for lagging in video conferencing in response to EU antitrust complaintGeekWire
- Slack Accuses Microsoft of Illegally Crushing CompetitionThe New York Times
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