Learn how to use a data validation control to allow users to select when to run multiple VBA procedures in Microsoft Excel.

To create a custom list, click the cell in which you want the list to appear. Click "Data Validation" on the Data tab and click "Data Validation." Choose "List" in the Allow box.

Learn how to create a drop-down list using Data Validation in Excel. Data Validation limits the type of data that can be entered into a cell.

Excel’s data validation feature offers an efficient way to perform a variety of tasks. This collection of techniques demonstrates several handy ways to put data validation to work.

When you update this spreadsheet with new or different data, you won’t have to re-create the validation rule, but you will need to click Circle Invalid Data again. This tool would be useful to bring ...

I've got an Excel 97 worksheet in which I need to validate some cells. No problem, I'll just use Data->Validate, right? Wrong. The built in validation works well enough as long as the user doesn't ...

Microsoft is bringing custom data types to Excel. Businesses and consumers will be able to import structured data into a single cell and reference it throughout a spreadsheet.

Microsoft will soon open up a preview of a new JavaScript API for Excel that will let users make their own custom data types containing things like ...

Microsoft is opening up Excel to developers with a new JavaScript API. It will let developers use custom data types like images, cards, and arrays.