class Program
C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE If you are looking for the general Microsoft Office 16.0 Object Library
Choose first. If that fails to fix the issue, repeat the steps and choose Online Repair . 2. Re-register the Excel Application
If you are developing a macro or application and encounter an error regarding the Microsoft Excel 16.0 Object Library
Sometimes the library is present but not referenced. Here’s how to check/add it.
If you are writing an application that depends on Microsoft.Office.Interop.Excel , remember:
The sixth result was a forum post from 2019 where a user named frustrated_excel_guy wrote: "NEVER download DLLs from the web. Reinstall Office or repair your installation."