If you set up your list source as an Excel table, then all you need to do is add or remove items from the list, and Excel will automatically update any associated drop-downs for you.

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.

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 …

In the Multiple Selection List Box Properties dialog box, you can type the entries yourself or configure the multiple-selection list box to retrieve entries from a database or other data source.

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 …

List of controls that support data validation The following table lists the Microsoft Office InfoPath 2007 controls that support data validation and whether they are available for browser …

Use a custom list to sort or fill in a user-defined order. Excel provides day-of-the-week and month-of-the year built-in lists, but you can also create your own custom list.

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). …

There are two ways to add an item to a list - single items in list view, or multiple items in grid view (formerly known as "Quick Edit"). The following steps use the modern Microsoft 365 experience.

You can create a one-way connection to the SharePoint list so that you can refresh the table data on the worksheet to incorporate changes that are made to the data in the SharePoint list.