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 …

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.

A multiple-selection list box is list of choices that looks like a scrollable list of check boxes instead of a typical list box. Users can select as many check boxes as necessary from the list.

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). …

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.

Add a bullet to a cell in a worksheet using character codes or symbols. In addition to a round bullet, you can choose to add a checkbox or other symbol.

When you want to display a list of values that users can choose from, add a list box to your worksheet. Create a list of items that you want to displayed in your list box like in this picture. …

Outlook can import comma separated value (.csv) files, but not workbooks with multiple sheets, so step 1 is saving your Excel workbook as a .csv file. Here's how: