Data Connectivity Components Link | 2007 Office System Driver

Official direct download links for the 2007 version have been removed from the Microsoft website as the software has reached its end-of-life. However, users can still find the component through the following methods:

using (OleDbConnection conn = new OleDbConnection(connectionString))

Unlike typical Office add-ins, these components operate at the OS level via ODBC (Open Database Connectivity) and OLE DB (Object Linking and Embedding, Database). They allow third-party applications like SQL Server Integration Services (SSIS), Crystal Reports, or custom .NET apps to treat an Excel spreadsheet or Access database as a native data source.