Download Upd Microsoft.ace.oledb.12.0 Provider For Both 64-bit Jun 2026

: Available on the Official Download Page. accessdatabaseengine.exe (32-bit) accessdatabaseengine_X64.exe (64-bit)

Install your primary version (e.g., the 32-bit version) by double-clicking the downloaded .exe file. Follow the on-screen prompts until completion. Force Install the Second Version

: Download both architecture files from the Microsoft Access Database Engine 2010 Redistributable Page .

(Recommended for 32-bit apps)

Silent installation is useful when deploying the provider across many machines or via scripts. The most reliable method is to use the /quiet parameter. The /passive flag can also be used to show a basic progress bar without user interaction.

Double-click the downloaded file (e.g., AccessDatabaseEngine_X64.exe ).

This error is almost always caused by a between the provider and the calling application. download microsoft.ace.oledb.12.0 provider for both 64-bit

Note: In most cases for modern Windows servers and 64-bit operating systems, you will need the AccessDatabaseEngine_X64.exe to resolve the "not registered" error in 64-bit applications.

You can find the official installers for both 32-bit and 64-bit versions through the Microsoft Access Database Engine 2010 Redistributable page. : Select AccessDatabaseEngine_X64.exe .

The is the OLE DB provider that allows applications to read and write data to Microsoft Access and Excel files. 12.0: Refers to the version bundled with Access 2007-2010. : Available on the Official Download Page

Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\MyWorkbook.xlsx;Extended Properties="Excel 12.0 Xml;HDR=YES;IMEX=1";

: Ensure your application (e.g., Visual Studio, Excel, Power BI) is set to run in 64-bit mode

Install the Access Database Engine 2010 using the /passive method above. Force Install the Second Version : Download both

The provider is part of the Microsoft Access Database Engine. To use it in both 32-bit and 64-bit environments on the same machine, you typically need to install the Microsoft Access Database Engine 2010 Redistributable or the newer 2016 Redistributable using a command-line workaround, as Microsoft generally prevents installing both bitness versions through the standard interface. Official Download Links

Your application is running in 64-bit mode, but you only installed the 32-bit provider (or vice versa).