To open a link to a modern Excel workbook, your connection string should look like this:
Environments utilizing SQL Server Integration Services (SSIS) running in 32-bit execution mode to ingest Excel sheets. Troubleshooting Common Connection Issues
Microsoft occasionally maintains legacy components via direct links in their TechNet or archived support documentation.
Between 2015 and 2018, Microsoft began a major clean-up of its Download Center, removing thousands of old, outdated, and potentially insecure downloads. The 2007 Office System Driver was caught in this sweep.
You are developing a custom application (in C#, VB.NET, Python, C++, etc.) that needs to extract data from or insert data into .accdb or .xlsx files. 2007 office system driver data connectivity components link
using (OleDbConnection conn = new OleDbConnection(connectionString))
Use the command line:
The driver might be from 2007, but your due diligence should be future-proof.
Microsoft officially deprecated the original 2007 download page in 2018. However, the components are still available via (not the new Visual Studio subscriptions). As of 2025, the genuine direct link is: To open a link to a modern Excel
The is a crucial, free utility provided by Microsoft that enables developers and users to facilitate data transfer between existing data sources, such as Microsoft Access and Excel, and other applications.
For existing legacy infrastructure, tracking down the installer remains necessary to keep old pipelines running. However, for modern applications, transitioning to the or utilizing open-source libraries (like OpenXML, EPPlus, or Pandas for Python) provides a more secure, robust, and platform-independent solution for data connectivity.
| Component | Best Use Case | 2007 Driver Link Syntax | | :--- | :--- | :--- | | | Reporting tools (Crystal Reports, Tableau legacy), PHP, Python (pyodbc) | DSN=MyExcelDSN;DBQ=C:\Data\file.xlsx | | OLEDB | SQL Server (Linked Servers), .NET Framework 2.0/3.5, Classic ASP | Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Data\file.xlsx | | ADO | VBA scripts, VB6 applications, PowerShell (old versions) | ADODB.Connection object using the OLEDB provider string |
What or behavior are you experiencing?
If you are facing errors regarding the Microsoft.ACE.OLEDB.12.0 provider, ensuring this driver is installed is the first step toward a solution.
| Feature | 2007 Driver | ACE 2016 Driver | ODCB 17+ | | :--- | :--- | :--- | :--- | | xlsx > 1M rows | No | Yes | Yes | | Windows 11 | Unstable | Supported | Supported | | Office 365 Coexistence | Breaks | Works | N/A | | Support for .xlsb | Partial | Full | Full |
These components are redistributable via the installer, available from Microsoft (now archived).