ECMA-376 - Ecma InternationalOffice Open XML file formats 5th edition, December 2021 This Standard defines Office Open XML’s vocabularies and document representation and packaging. It also specifies requirements for consumers and producers of Office Open XML. ECMA-376 contains 4 parts but only part 2 has been adopted in the last edition of the Standard. An Office Open XML overview is available below under ressources. The four
