The library is physically located within the Office installation directory. If you have Office 2016 or Microsoft 365 installed, the files associated with the 16.0 Object Library (often EXCEL.EXE or MSO.DLL ) are typically found in:
To avoid version-specific "Missing DLL" errors entirely when sharing files across different Office versions, use . This method allows your code to look for the Excel object at runtime rather than requiring a specific library version to be checked in the references menu. Example of Late Binding Code: Microsoft Excel 16.0 Object Library Dll Download -
If you are developing a standalone application in C# or VB.NET and need this library, do not download a random DLL. Instead, use the official Microsoft.Office.Interop.Excel package via in Visual Studio. This ensures you have a secure, compatible version of the interop assemblies. The library is physically located within the Office