Another organization involved in the promotion and promotion of Free Software in Europe decided to support Opera Software in connection with an antitrust complaint to the European Commission. Like FSFE, the nonprofit organization Open Forum Europe (OFE) reaffirmed the importance of adhering to open standards and endorsed a proposal to limit the monopoly position of Microsoft in the software market. OFE has already taken an active part in protesting against the adoption of the OOXML document format developed by Microsoft as an international standard.