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

By default, Windows prevents installing 64-bit drivers if 32-bit Office (or vice versa) is present. You can bypass this using a "quiet" installation command. 1. Download the Installer

If you have 32-bit Office installed, the installer may block the 64-bit driver installation. You can bypass this by running the installer from the command line: AccessDatabaseEngine_x64.exe /passive Use code with caution.

This error stops data analysts, SQL developers, and system administrators dead in their tracks. The root cause? A mismatch between your application’s bitness (32-bit vs. 64-bit) and the installed OLEDB provider.

The most direct way to get this driver is to install the . download microsoft.ace.oledb.12.0 provider for both 64-bit

the AccessDatabaseEngine_X64.exe file from the link above. Run the installer as an administrator.

Example connection string for Excel:

You run a 64-bit application (like SQL Server Management Studio or Visual Studio) that needs to import data. By default, Windows prevents installing 64-bit drivers if

AccessDatabaseEngine.exe /quiet

As of April 2026, Microsoft has largely consolidated legacy driver downloads. For the most reliable 64-bit and 32-bit Microsoft.ACE.OLEDB.12.0 providers, use the following official resources:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\14.0\Common\FilesPaths Use code with caution. Look for a string value named . Download the Installer If you have 32-bit Office

This technical guide outlines the safe download channels, the step-by-step installation workarounds required to bypass Microsoft's platform restrictions, and troubleshooting techniques for common integration environments. Why You Need Both 32-Bit and 64-Bit ACE Providers

For 32-bit:

Since the 12.0 provider is deprecated, the best practice is to download the latest redistributable, which provides the 16.0 provider. The connection string in your code can then be updated to use the newer provider.

After the installation finishes, you may need to . Alternative: Installing Both 32-bit and 64-bit Together

Although Windows Server 2016 is not officially listed on the download page, the 64‑bit installer has been confirmed to work successfully on that OS.