Microsoft Office Excel 12.0 Object Library is the essential component for developers and power users who need to automate Excel 2007 through other applications like Access or Visual Studio. How to Get the Excel 12.0 Object Library

Excel 16.0 Object Library

If you have a newer version of Office installed (like Office 2016 or 365), you technically have the .

Check if Office 2007 is installed on your system:

Microsoft Office 2007 Primary Interop Assemblies (PIA)

: For developers, Microsoft provides PIA downloads which can provide the necessary object libraries for Visual Studio projects.