Table of Contents

This Document

This document is the O-PAS™ Standard, Version 2.1, a Standard of The Open Group. It has been developed and approved by The Open Group.

The O-PAS Standard consists of the following 12 parts:

The parts listed are separate documents that can be updated and re-versioned as required as we move forward with the O-PAS Standard.

This document supersedes the O-PAS Preliminary Standard, Version 2.1 published in May 2021, the O-PAS Preliminary Standard, Version 2.0 published in February 2020, and the O-PAS Standard, Version 1.0 published in December 2019.


O-PAS™ and Open Process Automation™ are trademarks of The Open Group