Automation to Excel 2007 allows us to doing various operations to an Excel file. We can automate Excel from VB.NET in two ways . Using Excel Object Model in one way and other is using Microsoft Jet Engine to connect to Excel. Through the automation we can achieve creating a new workbook, adding data to the workbook, or creating charts etc. In the following links you can see the helpful resources about Excel 2007 programming in VB.NET 2005 .