Microsoft Excel can save you time in lots of little ways, like adding a drop-down list to cells so that only pre-written text can be entered.

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.

Adding a drop-down list in Excel is a quick and efficient way to choose predefined data. Here's how to create a drop-down list in Microsoft Excel.