Information technology -- Document description and processing languages -- Office Open XML File Formats -- Part 1: Fundamentals and Markup Language Reference
This standard has been revised by ISO/IEC 29500-1:2016
The electronic version of this International Standard can be downloaded from the ISO/IEC Information Technology Task Force (ITTF) web site
ISO/IEC 29500-1:2012 defines a set of XML vocabularies for representing word-processing documents, spreadsheets and presentations, based on the Microsoft Office 2008 applications. It specifies requirements for Office Open XML consumers and producers that comply to the strict conformance category.