
- Add or remove items from a drop-down list - Microsoft Support- 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. 
- Create a drop-down list - Microsoft Support- 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 or combo box to a worksheet in Excel- 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 … 
- DROP function - Microsoft Support- Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. If you need to, you can adjust the column widths to see all the data. 
- Using check boxes in Excel - Microsoft Support- For example, if you have a check box in cell A1, you can use a formula like =IF (A1, "Checked", "Unchecked") to display a custom message based on the check box's state. 
- Insert a multiple-selection list box - Microsoft Support- 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. 
- Apply data validation to cells - Microsoft Support- 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). … 
- Insert a drop-down list box - Microsoft Support- 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. 
- How to use the forms controls on a worksheet in Excel- 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 … 
- Use the Name Manager in Excel - Microsoft Support- Use the commands in the Filter drop-down list to quickly display a subset of names. Selecting each command toggles the filter operation on or off, making it easy to combine or remove …