› how-to-create-multiHow to Create Multi-Category Charts in Excel? - GeeksforGeeks May 24, 2021 · The multi-category chart is used when we handle data sets that have the main category followed by a subcategory. For example: “Fruits” is a main category and bananas, apples, grapes are subcategories under fruits. These charts help to infer data when we deal with dynamic categories of data sets.