To apply data validation rules to a selected cell or range, head to the "Data" tab on the ribbon, and click the top half of the "Data Validation" icon if you're using a wide screen, or the left half ...

You can easily create a drop-down list in Excel to limit the values that can be entered in a column. Here's how to set one up ...

You can use Excel, Microsoft's spreadsheet program, to store, organize, and analyze data in a number of ways.

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