Office Open XML

DIS29500 Comments
Provides an archive of all the comments and objections submitted by national standards' bodies as part of the ISO standardization process for Microsoft's OOXML specification. A collaborative project that allows user commenting and tagging of the comments.
http://www.dis29500.org/

Ecma Office Open XML File Formats Overview
Official details about the format, and links to technical information.
http://office.microsoft.com/en-us/products/HA102058151033.aspx

NoOOXML
Aims to stop the adoption of OOXML as an ISO standard because it is based on a proprietary document format and depends on software patents. An online petition is also available.
http://www.noooxml.org/

OOXML is Defective by Design
A Weblog containing articles criticizing Microsoft's OOXML format and opposing its adoption as an ISO standard. Includes technical details.
http://ooxmlisdefectivebydesign.blogspot.com/

Standard ECMA-376: Office Open XML File Formats
Official text of the OOXML file format as accepted by the Ecma International standards body.
http://www.ecma-international.org/publications/standards/Ecma-376.htm

Wikipedia: Office Open XML
Encylopedia article about the forum, including background, standardization efforts, and controversies.
http://en.wikipedia.org/wiki/Office_Open_XML

BBC News: Microsoft's standards bid stalled
Article covering the appeals lodged by four developing nations against the ratification of OOXML as an ISO standard. <small>(June 2, 2008)</small>
http://news.bbc.co.uk/1/hi/technology/7445956.stm

Make that Three: India Appeals Adoption of OOXML
Blog post from consortiuminfo.org detailing the three appeals that have been lodged by ISO members over the Office Open XML standardization process. <small>(May 30, 2008)</small>
http://consortiuminfo.org/standardsblog/article.php?story=20080530055633591

ISO/IEC DIS 29500 Receives Necessary Votes for Approval as an International Standard
ISO press release with news that following the changes made by the ballot resolution meeting, the revised votes on the OOXML standard were sufficient for it to be approved. <small>(April 2, 2008)</small>
http://www.iso.org/iso/pressrelease.htm?refid=Ref1123

ISO: Vote Closes on Draft ISO/IEC DIS 29500 Standard
Official ISO press release outlining how the proposed standard did not achieve the required number of votes for approval. The comments submitted by members will now be discussed at a ballot resolution meeting. <small>(September 4, 2007)</small>
http://www.iso.org/iso/pressrelease.htm?refid=Ref1070

PC World: ISO Rejects Microsoft's OOXML as Standard
An article providing details of the outcome of the recent ISO voting on Microsoft's document format specification. <small>(September 4, 2007)</small>
http://www.pcworld.com/article/136711/iso_rejects_microsofts_ooxml_as_standard.html