Download Microsoft.ace.oledb.12.0 Provider For Both 64-bit !exclusive! -

This error happens because the necessary driver—the —is missing, specifically for the architecture (32-bit or 64-bit) that your application is running.

Once you have successfully installed the provider, your connection string should reference Microsoft.ACE.OLEDB.12.0 regardless of which redistributable you installed. For example:

This issue arises because your application is trying to use the Access Database Engine to read .xlsx or .accdb files but cannot find the necessary driver. If your application is running as a 64-bit process, you install the 64-bit version of this provider.

Add the /passive switch to see progress, but it still may fail if Office bitness differs. The only workaround for a mismatch is to install the using the /quiet switch, which sometimes ignores the conflict (not guaranteed). download microsoft.ace.oledb.12.0 provider for both 64-bit

This error occurs when 64-bit applications (like SQL Server, 64-bit Office, or custom 64-bit scripts) try to connect to older Access or Excel files (.mdb, .accdb, .xls, .xlsx) but cannot find the necessary connectivity components.

: The 2016 driver (ACE 16.0) is downward compatible and will work with connection strings specifying Microsoft.ACE.OLEDB.12.0 Bit-Level Conflict

The "Microsoft.ACE.OLEDB.12.0" (Access Connectivity Engine OLE DB) is a database driver from Microsoft. Its core function is to facilitate data transfer between non-Microsoft Office applications and popular Office file formats. It allows programs (written in C#, VB.NET, Python, etc.) to read from and write to: This error happens because the necessary driver—the —is

The key is to install the . For example, if you have a 32-bit Office suite and need the 64-bit provider for a data integration job, you would:

In this article, we will walk you through exactly how to , how to install them safely on the same machine (using quiet mode hacks), and how to verify the installation.

If you are trying to install this to solve a (e.g., in Python, SSIS, or C#), let me know which application you are using. I can provide the exact connection string or configuration changes needed. Share public link If your application is running as a 64-bit

Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\MyExcelFile.xlsx;Extended Properties="Excel 12.0 Xml;HDR=YES";

Here is the definitive guide to downloading and installing the provider for both 32-bit and 64-bit systems.