Technological Innovation

What is EN ISO 10303-26:2021?


The EN ISO 10303-26:2021 standard is an important technical document that plays a crucial role in the field of data exchange and interoperability in computer-aided design (CAD) systems. In this article, we will explore and explain the key aspects of this standard, its purpose, and its significance in the industry.

Understanding EN ISO 10303-26:2021

EN ISO 10303-26:2021, also known as the Industrial automation systems and integration - Product data representation and exchange - Part 26: Implementation methods: XML representation of EXPRESS schema and data, sets guidelines for representing and exchanging product data using Extensible Markup Language (XML). This standard defines a standardized format for data exchange between different CAD systems, ensuring smooth interoperability and enabling seamless collaboration among stakeholders.

By adopting the XML representation of EXPRESS schema and data, EN ISO 10303-26:2021 allows for structured data exchange that can be easily understood by different CAD software applications. This enables efficient sharing of information across different domains, such as mechanical engineering, architecture, electronics, and more. It eliminates the need for manual translation or conversion of data, reducing errors and enhancing productivity.

Benefits and Significance

The implementation of EN ISO 10303-26:2021 offers several benefits to individuals, organizations, and industries involved in product design and development. Firstly, it promotes effective communication and collaboration among various stakeholders, including designers, engineers, manufacturers, and suppliers. It enables them to exchange accurate and complete product data seamlessly, leading to improved design efficiency, reduced errors, and faster time-to-market.

Secondly, the standard enhances data integrity and reliability. By providing a structured format for data representation and exchange, it ensures consistency and accuracy across different CAD systems. This reduces the risk of misinterpretation or loss of information during the data exchange process, enhancing product quality and reliability.


EN ISO 10303-26:2021 is an essential standard in the field of computer-aided design systems and plays a critical role in promoting interoperability and data exchange. Its adoption facilitates seamless collaboration among stakeholders, enhances design efficiency, and improves overall product quality. By providing guidelines for implementing an XML representation of EXPRESS schema and data, this standard empowers industries to streamline their processes and stay competitive in today's fast-paced global market.


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