ABB Ability zenon Project Conversion Manual

This document provides a comprehensive guide for converting ABB Ability™ Operations Data Management zenon projects between different software versions, including version 5.50, 6.01, 6.20, 6.21, 6.22, and 6.50. It covers recommended procedures for converting runtime files, handling multi-user projects with different SQL database versions, and specific technical changes such as archive evacuation, function authorizations, and VBA variable access modifications.