Microsoft's Commitments On Its Teams Tool Accepted By European Commission

On 12 September 2025, the European Commission accepted legally binding commitments proposed by Microsoft concerning its Teams tool, settling an antitrust case it has been entangled in since 2023. According to the Commission, Microsoft abused its dominant market position by tying its Teams tool to Office 365 and Microsoft 365. In doing so, Microsoft potentially restricted competition in the market for communication and collaboration products and violated EU competition law. By accepting these commitments, Microsoft preliminary avoids a fine but remains under scrutiny to ensure full compliance.

Background: abuse of dominance

Article 102 of the Treaty on the Functioning of the European Union (TFEU) (and the national equivalents thereof) prohibits companies from abusing a dominant market position. A company is dominant when it holds such market power that it can operate independently of competitors, customers, and ultimately consumers (please also refer to our earlier