How to create nested column groups in Excel?
When working with complex data in Excel, the sheer number of data can scare you off because it seems difficult to read and analyze. So how can we eliminate this hassle and quickly extract the core data in the worksheet? Grouping columns or rows can help you organize your data concisely and clearly. After grouping columns or rows, you can easily hide and show different parts of the worksheet so that only relevant information is displayed. This tutorial will show you how to create nested column groups in Excel.
Create nested column groups in Excel
To create multiple inner, nested column groups within an outer group, use the Group feature of Excel to get the job done. Please do as follows:
1. To create the outer group, first select all the columns to be included in the outer group.
2. Go to the Data tab, click Group in the Outline group. Or press the Shift + Alt + Right Arrow shortcut.
3. The Group dialog box pops up. Check the Columns option, then click OK. 
4. The outer group, which is Level 1, is successfully built. Check the minus (-) button to collapse the outer group. Or click the number 1 in the upper-left corner. 
5. To create the inner, nested column groups, go to the Level 2 of the data by checking the plus (+) button or clicking the number 2 in the upper-left corner.
6. Select the columns to be included in the inner group 1. 
7. On the Data tab, click Group in the Outline group. Or press the Shift + Alt + Right Arrow shortcut. The Group dialog box pops up. Check the Columns option, then click OK. Now the inner group 1 is created. 
8. To create the rest of the inner groups, repeat the above steps 6-7. 
9. Check the minus (-) button or the plus (+) button to collapse or expand the group you want to check. Or click the number in the upper-left corner to go to the group level you like. 
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