Drillthrough is one of the most underrated Power BI features. Most users know the “right-click → Drill through” part — but few really understand how powerful it becomes  when combined with smart page design, DAX context, tooltips, and UX tricks. In this article, we’ll cover how Drillthrough works , how to build it properly , and hidden tips  that even experienced users often miss. PRACTICE MATERIAL BELOW! Check out some of our FREE templates and materials. What Is Drillthroug