Microsoft Excel's list function allows you to display several different values in a single cell using the form of a drop-down menu.

The Validation option can help you paste an existing drop-down list to a range of new cells without giving those cells initial values. People can then click one of those cells to select a value ...

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.