Since you cannot get it alone, here is the legitimate workflow.
Modern developers can often resolve missing references by installing Office Developer Tools via the Visual Studio Installer under "Individual Components". Implementation & Setup
The Microsoft Office Excel 12.0 Object Library is built into Microsoft Office 2007. You should not attempt to download it from the internet. If you are facing "Missing" errors on newer machines, the cleanest fix is to uncheck the broken 12.0 reference and check your current version, or update your code to use Late Binding for seamless cross-version compatibility. microsoft office excel 12.0 object library download
If you have landed on this page, you are likely a developer, a data analyst, or an advanced Excel user who has encountered a specific error message: “Cannot find the Microsoft Office Excel 12.0 Object Library” or “Missing reference: Excel.exe.”
To get the 12.0 Object Library on your machine, you must install the software that contains it. 1. Install Microsoft Office 2007 Since you cannot get it alone, here is
The Microsoft Office Excel 12.0 Object Library is a vital component for developers who interact with Excel programmatically. This report provides guidance on downloading and installing the library. If you encounter any issues or require further assistance, please consult Microsoft's documentation or seek support from a qualified developer or IT professional.
The 12.0 library was revolutionary upon its release because it was the first to fully support the Open XML file formats (.xlsx, .xlsm) introduced in 2007. Complete Automation You should not attempt to download it from the internet
If you are developing applications that interact with Excel 2007 files ( .xlsx , .xlsm ) without having Office installed, you may actually need the or Primary Interop Assemblies :
If you need to distribute an application referencing this library, ensure that all target client machines have or later installed for the reference to function correctly.