Organization change refers to the process of making significant changes within an organization in order to improve its overall performance, efficiency, and effectiveness. This can involve changes to the organization's structure, processes, culture, systems, or strategies. Organization change is often necessary in response to external factors such as market trends, technological advancements, or regulatory changes, as well as internal factors such as poor performance, low employee morale, or outdated practices. It can be a complex and challenging process that requires careful planning, communication, and implementation in order to ensure successful outcomes.