Before searching for a download link, it is essential to understand what this library actually is.

: For Visual Studio developers, these allow managed code to interact with COM components. You can check for these in the Visual Studio Installer under "Office/SharePoint development."

To legally and safely acquire the Excel 12.0 Object Library, you must install Microsoft Office 2007.

VBA code usually updates these references automatically when opening an older file in a newer version. Google Groups 2. Enable the Library in VBA