Since Excel 12.0 is over 15 years old (released in early 2007), Microsoft does not offer it as a standalone download. You have three legitimate paths forward.
If you are distributing an application to users who don't have Office 2007, you cannot force them to install the DLL. You must tell your application to use whatever Excel they have. microsoft excel 12.0 object library dll free download
corresponds to Microsoft Office Excel 2007 . The "12.0" version number is specific to the 2007 release of Microsoft Office. Since Excel 12
| Excel Version | Library Name | Program ID | |---------------|------------------------------|-------------------| | 2007 | Microsoft Excel 12.0 Object Library | Excel.Application.12 | | 2010 | Microsoft Excel 14.0 Object Library | Excel.Application.14 | | 2013 | Microsoft Excel 15.0 Object Library | Excel.Application.15 | | 2016/2019/365 | Microsoft Excel 16.0 Object Library | Excel.Application.16 | You must tell your application to use whatever
Dim xlApp As New Excel.Application ' Requires specific reference
Open Command Prompt as Administrator and run: regsvr32 "C:\Program Files\Microsoft Office\Office12\EXCEL.EXE"
This downloads the official, signed, legal Primary Interop Assembly (PIA) directly from Microsoft’s servers. For legacy version 12.0 support, look for older NuGet packages or specify the version: Install-Package Microsoft.Office.Interop.Excel -Version 12.0.0