Standard (Excel) using Microsoft.Jet.OLEDB.4.0

Connection string

This Microsoft Jet OLE DB 4.0 connection string can be used for connections to Excel 97, Excel 2000, Excel 2002 and Excel 2003.

Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\MyExcel.xls;
Extended Properties="Excel 8.0;HDR=Yes;IMEX=1";