Official text of the OOXML file format as accepted by the Ecma International standards body.

Encylopedia article about the forum, including background, standardization efforts, and controversies.

Offers news, resources, information and discussion forums about this format to developers. Managed by Microsoft.

Aims to stop the adoption of OOXML because it is based on a proprietary document format and depends on software patents. An online petition is also available.

Official details about the format, and links to technical information.

A Weblog containing articles criticizing Microsoft's OOXML format and opposing its use. Includes technical details.

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.

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.

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.

Blog post from consortiuminfo.org detailing the three appeals that have been lodged by ISO members over the Office Open XML standardization process.