US EditionMicrosoft to be hit with Opera complaint to Brazilian antitrust regulator
BRAZIL, JUL 31 – Opera alleges Microsoft uses manipulative tactics and exclusive pre-installation of Edge to limit competition, despite Edge holding only about 13% desktop market share globally, Opera said.
- On July 29, 2025, Opera filed a complaint with Brazil’s CADE accusing Microsoft of anti-competitive practices limiting browser choice on Windows.
- Earlier this month, Opera took the European Commission to court over Edge’s DMA exemption, following a July 2024 appeal to the EU General Court challenging Edge’s gatekeeper status.
- According to Statcounter, Opera holds 2.6% of the desktop market compared to Edge’s 13% and Chrome’s near 67%, with Opera alleging tactics hinder switching.
- Opera is asking Brazil’s CADE to investigate Microsoft and impose remedies, while Microsoft has not responded and Aaron McParlan said `Opera prefers not to comment on such elements of an ongoing case`.
- Success in Brazil may embolden challenges from India to the U.S., potentially fracturing Microsoft's browser dominance, as Opera warns its victory could reshape defaults worldwide.
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26 Articles
26 Articles
The competition measures against Microsoft are not abnormal. The company has the domain in many areas and is therefore more visible. This time it is the Opera, which has submitted a complaint against...
·Portugal
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Opera files a complaint against Microsoft in Brazil, accusing it of using manipulative and anti-competitive tactics to impose its Edge browser on Windows users.
·Madrid, Spain
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Coverage Details
Total News Sources26
Leaning Left3Leaning Right1Center3Last UpdatedBias Distribution43% Left, 43% Center
Bias Distribution
- 43% of the sources lean Left, 43% of the sources are Center
43% Center
L 43%
C 43%
14%
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