Historical
ISO/IEC 29500-4:2008
Information technology - Document description and processing languages - Office Open XML File Formats - Part 4: Transitional Migration Features
ISO/IEC 29500-4:2008 defines a set of XML elements and attributes, over and above those defined by ISO/IEC 29500-1, that provide support for legacy Microsoft Office applications; that is, those prior to the 2008 release. It specifies requirements for Office Open XML consumers and producers that comply to the transitional conformance category.
International Organization for Standardization [iso]