In Excel for the web, you can only edit a drop-down list where the source data has been entered manually. Select the cells that have the drop-down list. Go to Data > Data Validation. On the …

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). …

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 data validation. Click the control that you want to add data validation to. On the Format menu, click Data Validation. In the Data Validation dialog box, click Add. Under If this condition is …

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 …

For an introduction to data validation, and how to validate a cell or a range, see Add data validation to a cell or a range. You can use data validation to restrict the type of data or values …

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 …

You can find cells in a workbook that contain data validation by using the Go To Special dialog box. On the Edit menu, point to Find, and then click Go To. Click Special. Select Data …

Add a validation rule to a control on a form. You can use the Validation Rule property and the Validation Text property of a form control to validate data that is input to that control and to …

Check boxes are a versatile feature in Excel, useful for making interactive lists and forms. In this article, we'll cover how to add, remove, and toggle them. Insert check boxes. Select the range …