This works with any installed version of Excel. The downside: no IntelliSense.
The most robust way to get the Microsoft Excel 14.0 Object Library is to install the application it belongs to. microsoft excel 14.0 object library dll download
Here is a quick mapping of Office versions to Internal Version Numbers: This works with any installed version of Excel
The number "14.0" corresponds to a specific version of Microsoft Office: microsoft excel 14.0 object library dll download
(recommended)