Richard Stallman said in an interview that Microsoft corrupted many members of ISO:
Second, talking about the standards fight in which Microsoft succeeded in having its OOXML format accepted as an open standard in rivalry to the ODF format favored by OpenOffice.org and other free office applications, Stallman notes that "Microsoft corrupted many members of ISO in order to win approval for its phony 'open' document format, OOXML. This was so governments that keep their documents in a Microsoft-only format can pretend that they are using 'open standards.' The government of South Africa has filed an appeal against the decision, citing the irregularities in the process."