The draft standard ISO/IEC DIS 29500, Information technology - Office Open XML file formats (aka OOXML, ECMA-376) was not approved by ISO. The five-month ballot process ended on 2 September, OOXML has not achieved the required number of votes for approval.

ISO press release.

• Ars Aperta is member of the technical committe on the revisable document format of the Afnor (French NB) in charge of the OOXML case. The Afnor voted "No with comment" to the ISO normalization of ECMA-37: Afnor press release (french).


• Afnor proposal includes a scenario for convergence of OpenDocument Format (ISO 26300) and OOXML.
  
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• In the article (in french) " Formats bureautiques : le consensus impossible (1ere partie) ", in ITR Manager's magazine, Jean-Marie Gouarné explains the strategic stakes of formats standadization.