One efficient way to filter and analyze data in Excel is by using pivot tables. Pivot tables allow you to summarize and aggregate large datasets quickly. You can easily group and filter data based on different variables, creating insightful reports and visualizations.

Another approach for efficient data analysis is using Power Query, a powerful tool that allows you to connect, transform, and load data into Excel. With Power Query, you can perform complex data transformations, merge multiple data sources, and automate the data cleansing process.

Alternatively, you can use advanced filtering techniques such as the FILTER function, which allows you to extract specific data based on multiple criteria. This function is especially useful when working with large datasets that require complex filtering conditions.