Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

Microsoft Excel now takes al kinds of custom data, expanding spreadsheets well past the usual text and numbers.

Automated Data Entry in Excel. One way businesses can save time and money is using Excel spreadsheets as data tables in which to store customer information, inventory details or other important data.

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

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

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 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.