Traditionally, if you wanted to read an Excel file using a C# application or SQL Server Integration Services (SSIS), you would need Excel installed. However, installing heavy Office software on a production server is generally bad practice (and often unsupported by Microsoft).
The Microsoft Access Database Engine 2016 Redistributable is a critical component for applications that need to transfer data between non-Microsoft Office files (like text or Excel) and Microsoft Access, or for connecting to these data sources via OLEDB or ODBC providers. Key Technical Details 2016 access database engine
The is a set of components that allows non-Office applications to connect to and interact with Microsoft Office data files. It acts as a bridge, enabling developers and power users to read from and write to Access databases ( .accdb , .mdb ) and Excel workbooks ( .xlsx , .xlsb ) without needing the full Microsoft Office suite installed on the server or machine. Traditionally, if you wanted to read an Excel
The Access Database Engine solves this by providing the underlying drivers (OLE DB and ODBC) necessary for data connectivity. Key Technical Details The is a set of
This component is the successor to the 2010 version and is used to read/write between Office files (Access, Excel) and external applications.
Microsoft does not officially support installing both 32-bit and 64-bit engines on the same OS simultaneously. However, for developers requiring both, there is a specific installation switch workaround (though it is officially unsupported and may have stability issues):
While the 2016 engine was a standard for years, it is important to note that newer versions exist (specifically the is often succeeded by the Access Runtime or newer specific driver updates for Office 2019/365).