With the arrival and growing ubiquity of big data, Excel, as a data-mining and processing tool has been pushed to its limits—reflected in its dated 1,048,576 row hard limit and the application’s processing speed slowing to a crawl. As of 2010, Microsoft released a Power Pivot function that transformed the scope and usefulness of Excel where the extraction, combination, and analysis of large datasets are concerned. Using live cases, Finance Expert Ellen Su explores in detail how to master Power Pivot and explores its hidden advantages as a big data tool.