# ISO/IEC 29500-4:2012 — Withdrawn and superseded ISO standards For ISO/IEC 29500-4:2012, item title is Information technology — Document description and processing languages — Office Open XML File Formats — Part 4: Transitional Migration Features; status code is 9599; successor is ISO/IEC 29500-4:2016; withdrawn / published date is 2012-08-22, recorded from its source on 2026-08-05. - **Identifier:** ISO/IEC 29500-4:2012 _(verified: appears in the quote below)_ - **Item title:** Information technology — Document description and processing languages — Office Open XML File Formats — Part 4: Transitional Migration Features _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 29500-4:2016 - **Withdrawn / published date:** 2012-08-22 _(verified: appears in the quote below)_ ## What the source says > 61798,IS,,ISO/IEC 29500-4:2012,Information technology — Document description and processing languages — Office Open XML File Formats — Part 4: Transitional Migration Features,Technologies de l'information — Description des documents et langages de traitement — Formats de fichier 'Office Open XML' — Partie 4: Caractéristiques de migration transitoire,2012-08-22,3,"['35.240.30','35.060']",ISO/IEC JTC 1/SC 34,9599,"[59578,61111,59653]",[71692],['en'],1534,"

ISO/IEC 29500-4:2012 defines features for backward-compatibility and that are useful for high-quality migration of existing binary documents to ISO/IEC 29500. These features are used only by documents of conformance class WML Transitional, ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).