Click the "Download" button on the Microsoft page and choose the AccessDatabaseEngine_x64.exe file.
Before downloading, it is crucial to understand what this provider does.
If you have 32-bit Microsoft Office but need the 64-bit driver for a server application (like SQL Server Integration Services), you must perform a Silent Install via the Command Prompt to bypass the version check.
Note: While 2010 is the standard for .12.0 , the 2016 driver often works for modern applications and provides better compatibility with newer Office files. Installation Steps (64-bit)
If you're looking for alternative providers, you may consider: download microsoft.ace.oledb.12.0 provider for both 64-bit
This version works better with 64-bit Office 2013/2016/2019/365. It supports modern connection strings and data types. Summary Checklist AccessDatabaseEngine_x64.exe Microsoft Access Database Engine 2010 Check Architecture 64-bit Windows & App Must match Run Silent AccessDatabaseEngine_x64.exe /passive Used for 32-bit Office conflict Verify Driver Open PowerShell
Download Microsoft.ACE.OLEDB.12.0 Provider for 64-Bit & 32-Bit (Fix "Not Registered" Error)
The Microsoft.ACE.OLEDB.12.0 provider name has been around for years and continues to work through newer redistributable packages. However, if you have flexibility in your codebase, consider updating to the newer provider:
To solve this, you must bypass Microsoft's default installation restrictions using the command line. Step 1: Download the Access Database Engine Installer Click the "Download" button on the Microsoft page
string connectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Path\To\Your\Database.accdb;";
In recent years, Microsoft has officially removed the direct download links for the ACE OLEDB 12.0 provider. You will no longer find a standalone 12.0 installer on Microsoft’s official website. However, this does not mean you cannot use the Microsoft.ACE.OLEDB.12.0 provider—it simply means you have to install it via a newer redistributable package.
If you have ever tried to read an Excel file ( .xlsx ) or a CSV file directly from a SQL Server, an SSIS package, or a PowerShell script, you have likely encountered the infamous error:
Navigate to the folder where you downloaded the file (e.g., cd C:\Users\YourUser\Downloads ). Note: While 2010 is the standard for
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.
Get-ChildItem "HKLM:\SOFTWARE\Microsoft\Office\14.0\Access Connectivity Engine" -ErrorAction SilentlyContinue
You can also download the Microsoft ACE OLE DB 12.0 provider from the following links: