OOXML: Structure

Structure of an OOXML spreadsheet

Source

• Getting started with OpenXML

Standards

• ISO/IEC 29500-1:2016 - Part 1: Fundamentals and Markup Language Reference
• ISO/IEC 29500-2:2021 - Part 2: Open packaging conventions
• ISO/IEC 29500-3:2015 - Part 3: Markup Compatibility and Extensibility
• ISO/IEC 29500-4:2016 - Part 4: Transitional Migration Features