You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.

After you create a drop-down list, you might want to add more items or delete items. In this article, we'll show you how to do that depending on how the list was created.

Add a list box to your Excel worksheet from which users can choose a value. Make data entry easier by letting users choose a value from a combo box. A combo box combines a text box …

Sort a list by days of the week or months of the year or sort by priorities in Excel. Or you can create your own custom list for items that don't sort well alphabetically.

To automatically create a repeating field in the data source that is bound to the multiple-selection list box, select the Automatically create data source check box.

Use data validation rules to control the type of data or the values that users enter into a cell. One example of validation is a drop-down list (also called a drop-down box or drop-down menu). …

To remove a drop-down list, click the cell with the list, then click Data > Data Validation, and then on the Settings tab, click Clear All, then OK. A drop-down list is also known as a drop-down …

To change the size of several date pickers at once, select the date pickers whose size you want to change, on the Format menu, click Properties, and then on the Size tab, make the necessary …

To use the drop-down box or combo box, click any cell so that the object is not selected. When you click an item in the drop-down box or combo box, cell G1 is updated to a number that …

In the Drop-Down List Box Properties dialog box, you can type the entries yourself or configure the drop-down list box to retrieve entries from a database or other data source.