This ebook addresses one of the most critical aspects of PCB design – maintaining synchronization between schematics and PCB layouts in Altium Designer. Readers will learn how to manage design changes, track component updates, and ensure that both schematic and PCB data remain aligned throughout the development process. Topics include cross-probing, cross-selecting, and utilizing the Unified Data Model (UDM) to streamline design updates. Practical case studies and workflows demonstrate how to detect and resolve inconsistencies, reducing design errors and ensuring seamless project progression. This resource is vital for PCB designers aiming to enhance accuracy and efficiency in their projects​.