The fight between Slack and Microsoft Teams is heating up in a big way. Ahead of Microsoft’s earnings report this afternoon, Slack filed an antitrust complaint against the company with the European ...

Microsoft has restarted its rivalry with work messaging platform Slack with commercials for Microsoft Teams airing during the NFL conference championships. It's the first time Microsoft has invested ...

In context: As it pertains to collaborative chat software, Slack and Microsoft's Teams have taken center stage over the past couple of years. Microsoft has gained ground in its battle with Slack, and ...

Slack Technologies makes its debut on the New York Stock Exchange on Thursday through a direct listing of its shares. The company named Microsoft as its ‘primary competitor’ in its regulatory filings.

Microsoft Teams is now being used by more organizations than its rival Slack, according to a new survey that shows how far the Redmond tech giant’s collaboration app has come in less than two years. A ...

Slack CEO Stewart Butterfield has dismissed Microsoft's claims of growing momentum within its rival Teams product, suggesting that Microsoft's expanding number of users is not as impressive as it ...

Slack asserts that a Microsoft software bundle gives Teams an unfair advantage. Slack alleges that Microsoft acted anticompetitively in bundling Microsoft Teams, a product that competes against Slack, ...