Multi-select regions on an interactive Excel Dashboard
Have you ever built a data-analysis model in Microsoft Excel for a database containing a geographical dimension like state, county, ZIP-code areas, sales region, etc.? If so you probably wanted to integrate a user-friendly control feature on your dashboard that enables the user not only to select one region, but to filter the data by any combination of regions. E.g. show the total revenues for the sales regions West and Central.
You need a multi-select filter control. This post shows different options of how to do this and includes the example files for free download.