It allows other programs (like Access or Visual Studio) to "talk" to Excel to create spreadsheets or automate tasks.
Without that reference, your code breaks. That is why you are searching for the DLL.
The safest way to restore missing library files is through the official installer. Open the . Go to Programs and Features . Find Microsoft Office in the list.
This is the most critical part of this article. Searching for a "repack" or a "free download" of a DLL file from an unofficial source is dangerous. It’s a practice that, while tempting, exposes you and your system to severe risks. microsoft excel 120 object library dll free download repack
Open the and navigate to Programs and Features . Locate your Microsoft Office installation in the list. Right-click the entry and select Change .
The is a Component Object Model (COM) library that allows other programs (like Microsoft Access or custom C#/.NET applications) to communicate with and control Microsoft Excel 2007 .
Dim xlApp As Excel.Application Set xlApp = New Excel.Application Use code with caution. It allows other programs (like Access or Visual
Many sites offering "DLL repacks" bundle the files with malware, adware, or spyware.
Open the VBA Editor, go to Tools > References , uncheck the missing 12.0 library, scroll down, and check the box for the current version installed on your machine (e.g., Microsoft Excel 16.0 Object Library).
Solution 1: Check Your Office Version (Late Binding vs. Early Binding) The safest way to restore missing library files
: A missing library is often a symptom of a larger installation problem. Simply placing a DLL file in a folder is a "bandage" that rarely fixes the underlying issue. ✅ Safe Ways to Get the Excel 12.0 Object Library
Are you getting this error while , or while writing your own code ?
In the Windows operating system, libraries like this allow developers to write programs—often in languages like C#, VB.NET, or VBA—that can interact directly with Microsoft Excel. For example, a custom accounting program might use this library to automatically generate a spreadsheet, format cells, or run formulas without requiring you to manually open Excel.
Such downloads are often unauthorized, infringing on Microsoft’s software license agreements.
If you are a developer trying to reference Excel in Visual Studio, you should download the official Microsoft Office 2007 Primary Interop Assemblies directly from Microsoft's archives. Check Your References: In the VBA editor, go to Tools > References