Download Microsoft.ace.oledb.12.0 Provider For Both 64-bit Hot! Site
In this 2,500+ word guide, you will learn exactly how to , understand which version you actually need, and troubleshoot common installation failures.
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:
If you see the keys listed in both locations, your side-by-side installation was successful. Important Registry Fix for Microsoft Office Updates
Support for the Access Database Engine 2016 Redistributable ended on October 14, 2025. The recommended replacement is the Microsoft 365 Access Runtime going forward.
Type the filename of the second installer, followed by a space and , then press Enter : AccessDatabaseEngine.exe /passive Use code with caution. download microsoft.ace.oledb.12.0 provider for both 64-bit
Check your registry for the provider:
Open IIS Manager. Click Application Pools . Select your AppPool and click Advanced Settings . Change Enable 32-Bit Applications to True if using the 32-bit provider, or False if using the 64-bit provider. To help me tailor any further technical steps, let me know:
Search for . Click Download and choose your architecture:
The definitive guide below explains how to acquire the correct files and bypass Microsoft’s block to run both bitness configurations concurrently. Phase 1: Download the Engine Drivers In this 2,500+ word guide, you will learn
This is the most stable redistributable package supporting both 32-bit and 64-bit systems. Visit the official Microsoft Download Center.
The complexity arises because Microsoft distributes : one for 32-bit (x86) and one for 64-bit (x64). You cannot run both side-by-side by default.
| 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) |
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) Important Registry Fix for Microsoft Office Updates Support
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
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
Install the 32-bit version of the Access Database Engine in addition to any 64-bit version you may have:
To download and install the Microsoft.ACE.OLEDB.12.0 provider for 64-bit systems, you must install the Microsoft Access Database Engine Redistributable
