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European Commission fines Microsoft €497.2 million for abuse of dominance

The Commission found that Microsoft abused its dominant position by refusing to supply and authorise the use of interoperability information needed by competing work-group server operating systems, and by tying Windows Media Player to Windows.

Confirmed

Case ID: microsoft-eu-antitrust-2004

What the record establishes

The Commission imposed a €497,196,304 fine and ordered Microsoft to disclose specified interoperability information and offer a version of Windows without Windows Media Player. The General Court upheld the decision in substance in 2007.

Sources

  1. Primary recordSummary of Commission Decision 2007/53/EC in MicrosoftOfficial Journal of the European Union · 6 February 2007 · accessed 11 August 2026

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