The root cause is that the application was developed using —explicitly linking to a specific library version. When the application runs on a machine with a different library, the reference breaks.
Once Office is installed, you must tell your development environment to use the library. If you are working inside the Excel VBA Editor, follow these steps: Open Excel and press ALT + F11 to open the VBA Editor. Click on in the top menu bar. Select References from the drop-down menu. microsoft office excel 12.0 object library download
Stay safe, and happy coding.
For modern development, the recommended path is to favor server-safe libraries like or Syncfusion XlsIO for Excel file generation, and use late binding for high-reliability Excel automation. When you do need to work directly with the COM object library, the knowledge provided here will serve as a complete guide to managing it successfully. The root cause is that the application was
: Uncheck the missing reference in the Tools > References menu and check the version currently installed on your PC (e.g., 16.0). If you are working inside the Excel VBA
Microsoft's version numbering can be confusing. Here is the direct mapping: