Since the Excel 12.0 Object Library cannot be downloaded separately, consider these alternatives:
To use the library in your project, follow these steps based on your environment: In Excel VBA Missing Microsoft Excel 12.0 Object Library - VBForums
If you are developing a standalone desktop application in Visual Studio (C# or VB.NET) and need to interact with Excel 2007, you need the . microsoft office excel 12.0 object library download
Moving code from Office 2007 to Office 2010 (version 14.0) or later, requiring the intermediate or original library for compatibility.
Since you cannot get it alone, here is the legitimate workflow. Since the Excel 12
Microsoft’s official stance is clear: type libraries are only available through Office installation media.
[ Your Code / Macro ] │ ▼ (COM Automation) [ Microsoft Excel 12.0 Object Library ] │ ▼ (Interprets Objects) [ Application ] ──► [ Workbook ] ──► [ Worksheet ] ──► [ Range / Cells ] Microsoft’s official stance is clear: type libraries are
Before doing anything, check your current system. You may already have multiple versions of the Excel library.