Download Microsoft.ace.oledb.12.0 Provider For Both 64-bit ((new)) Jun 2026

Look for . It should list the version as 14.00.xxxx.xxxx (2010 Engine) or newer.

If you see the keys listed in both locations, your side-by-side installation was successful. Important Registry Fix for Microsoft Office Updates

Restart your computer to ensure the driver is registered in the system path.

If you use Microsoft 365 (Click-to-Run), forcing the installation can sometimes break Excel's native connection strings. If you encounter issues after a forced install, check the registry: Press Win + R , type regedit , and hit Enter. download microsoft.ace.oledb.12.0 provider for both 64-bit

You can find the necessary installers at the official Microsoft Download Center . While the 2010 version is older, it is often cited for the "both bitness" workaround.

(Excel). Below is an in-depth review of its performance, utility, and common implementation challenges. 1. Connectivity and Versatility This provider is essential for developers using SQL Server (SSIS) , or custom .NET applications

Microsoft does not officially support installing both 32-bit and 64-bit versions of the provider on the same machine. However, you can achieve this using a command-line workaround. Quick Fix: Passive Installation Look for

Note: This runs the installation without showing errors, but it can cause conflicts if both 32-bit and 64-bit drivers try to register the same DLLs. 2. Provider Not Registered (After Install)

For developers and data analysts, the provider is essential for connecting non-Microsoft applications to Office files like Access ( .accdb ) and Excel ( .xlsx ). However, installing both the 64-bit and 32-bit versions on the same machine often triggers an error stating that you cannot have both versions of the database engine installed.

Check if there is a string value named mso.dll . If it was deleted by the installer, you may need to run an of Microsoft 365 via the Windows Control Panel to restore full Office functionality. Summary Connection String Cheat Sheet Important Registry Fix for Microsoft Office Updates Restart

Yes, but SSIS runs in 64-bit by default (since SQL Server 2012). You need the 64-bit provider. To use 32-bit, change SSIS project’s debugging option to 32-bit runtime.

To , you need the Microsoft Access Database Engine Redistributable . This data component allows your applications—like SQL Server, Visual Studio, UiPath, or Python—to seamlessly connect to Microsoft Access ( .accdb , .mdb ) and Excel ( .xlsx , .xls ) data files.

It acts as a bridge between your 64-bit software (e.g., SSIS, C# application) and the Office data file. Why You Need the 64-Bit Version

Get-OleDbProvider | Where-Object $_.Name -like "*ACE*"