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ISO/IEC 29500-3:2015

Information technology — Document description and processing languages — Office Open XML File Formats — Part 3: Markup Compatibility and Extensibility

Publication date:   Jun 16, 2015

General information

90.93   Standard confirmed   Dec 4, 2025

ISO/IEC

ISO/IEC JTC 1/SC 34 Document description and processing languages

International Standard

35.060   Languages used in information technology | 35.240.30   IT applications in information, documentation and publishing

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Scope

This Part of ISO/IEC 29500 defines a set of conventions for forward compatibility of markup specifications, applicable not only to Office Open XML specifications as described in Parts 1 and 4 of this Standard, but also to other markup specifications. These conventions allow XML documents created by applications of later versions or extensions to be handled by applications of earlier versions.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/IEC 29500-3:2012

NOW

PUBLISHED
ISO/IEC 29500-3:2015
90.93 Standard confirmed
Dec 4, 2025