These components use the Microsoft Access Database Engine (also known as the ACE OLEDB provider). Before this driver, developers primarily relied on the older Jet 4.0 engine, which could not handle the newer XML-based file formats introduced with the 2007 Office suite. Why Data Connectivity Components are Essential
, which outlines the technical improvements, security updates, and fixes provided in the final service pack. Microsoft Support Key Features : These components install 2007 office system driver data connectivity components link
| If you need... | Use instead | |----------------|--------------| | Modern Windows (10/11) | Microsoft Access Database Engine 2016 Redistributable | | 64-bit support | Use 2016 version (or 2010 if necessary) | | .NET Core / modern .NET | Use System.Data.OleDb with ACE driver, or consider libraries like (Excel) or LINQ to CSV | These components use the Microsoft Access Database Engine
Using the 2007 driver in 2025 introduces risk. The driver does not support TLS 1.2/1.3 for remote connections. If your "link" attempts to read a file from an SMB share or a UNC path, it uses outdated NTLM authentication. Furthermore, the driver itself has unpatched denial-of-service vulnerabilities. Use it only within a segmented, internal legacy network. Microsoft Support Key Features : These components install
The (often called the 2007 Office Connectivity Components ) allows applications to connect to: