How to Insert a Combo Box in Excel 2010. Combo boxes are a useful way of entering data into an Excel spreadsheet, combining the flexibility of a text field with the convenience of a list box.

Before we add the combo box, let’s create a unique list of category values as follows: Select the data source, C4:C49. Click the Data tab and then click Advanced in the Sort & Filter group.

How to Use Auto Complete in a Combo Box in Excel 2003. Excel offers tools and characteristics that make it an ideal platform for you to create data entry forms.