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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.
: Often used as a modern alternative, this package also provides the 12.0 interface alongside newer versions. Official Download Center The Coexistence Dilemma
The "12.0" release corresponds to Office 2007/2010 era. However, it remains the most widely referenced version in legacy connection strings. Even modern systems often request this specific version due to hard-coded application dependencies.
Get the version that is from your system (e.g., if you have 32-bit Office, download the 64-bit engine). 2. Run via Command Prompt Press Win + R , type cmd , and press Enter . Navigate to your download folder. download microsoft.ace.oledb.12.0 provider for both 64-bit
: If you are working with modern platforms like Visual Studio 2022, Microsoft recommends upgrading your connection string to use the fully supported Microsoft Access Database Engine 2016 Redistributable ( Microsoft.ACE.OLEDB.16.0 ).
"<path_to_download>\accessdatabaseengine_X64.exe" /quiet /passive /norestart
Ensure your connection string specifies the correct provider: Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\path\to\file.xlsx;Extended Properties="Excel 12.0 Xml;HDR=YES"; If you have 32-bit Office installed, the installer
Both versions serve the same core purpose, but version 16.0 is newer, more secure, and actively supported by Microsoft. Microsoft has officially removed the public download link for the ACE OLEDB 12.0 (Access 2010) provider, strongly recommending that all users and developers migrate to the 16.0 version wherever possible.
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:
| Use Case | Required Provider | |----------|------------------| | 64-bit SQL Server Import/Export Wizard | 64-bit ACE.12.0 | | 32-bit Excel VBA connecting to Access | 32-bit ACE.12.0 | | 64-bit SSIS running on server with 32-bit Excel source | Both (install 64-bit first, then 32-bit with /quiet ) | | 32-bit IIS application pool reading XLSX files | 32-bit ACE.12.0 | Official Download Center The Coexistence Dilemma The "12
Double-click the AccessDatabaseEngine_x64.exe to start the setup. Follow Prompts: Proceed through the installation wizard.
| Version | Bit Package | Official Download Link | | :--- | :--- | :--- | | | 64-bit | AccessDatabaseEngine_X64.exe | | 2010 | 32-bit | AccessDatabaseEngine.exe (32-bit) | | 2007 | 64-bit | (Not natively available; only 32‑bit) | | 2007 | 32-bit | AccessDatabaseEngine.exe (32-bit) |
Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\MyDatabase.accdb;Persist Security Info=False;
