How to create a dependent list box in excel.
A dependent list box in Excel is a type of data validation that allows you to create a list of options that is dependent on the selection made in another list. This is useful when you have a large dataset and want to filter the data based on specific criteria.
Here's how you can create a dependent list box in Excel:
Create a table with the data you want to use in your dependent list. For example, if you have a list of Countries and want to filter them by Region, create a table with two columns: Region and Country.
Select the cell where you want to create the first list box, and go to the Data tab on the ribbon. Click on the Data Validation button.
In the Data Validation dialog box, select "List" from the Allow dropdown, and then select the range of cells that contain the options for your first list.
Click OK to close the Data Validation dialog box. Now, when you click on the cell, you should see a drop-down list of options.
To create the dependent list, select the cell where you want to create the second list box, and go to the Data tab on the ribbon. Click on the Data Validation button.
In the Data Validation dialog box, select "List" from the Allow dropdown, and then enter the following formula in the Source field: =INDIRECT(A1)
Replace "A1" with the cell reference of the cell that contains the value selected in the first list box.
Click OK to close the Data Validation dialog box. Now, when you select an option in the first list box, the second list box will update to show only the options that match the selected value.
That's it! You have created a dependent list box in Excel.
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