Drop-down lists in Microsoft Excel (and Word and Access) allow you to create a list of valid choices that you or others can select for a given field. This is especially useful for fields that require ...

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 ...

If you see the error “This value doesn’t match the data validation restrictions defined for this cell” when entering a value in an Excel cell, the solutions ...

A U.K.-based, open-source startup is launching its first commercial product with the backing of one of Silicon Valley’s most renowned venture capital firms. Pydantic on Monday launched an ...