Download Microsoft Jet Oledb 4.0 ((better)) -

How to Download and Install Microsoft Jet OLEDB 4.0 (The Complete Guide)

If you are trying to connect an older application (like a VB6 project or a classic ASP website) to a Microsoft Access database, you have likely encountered an error stating that the Microsoft Jet OLEDB 4.0 provider is not registered.

Part 3: The "Workarounds" – How to Get Jet 4.0 Today

If you absolutely must use Microsoft.Jet.OLEDB.4.0 (for legacy software that cannot be rewritten), here is how to enable it on modern Windows 10/11. download microsoft jet oledb 4.0

For a Microsoft Access .mdb file (read/write):

Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\path\to\database.mdb;Persist Security Info=False;

Download the Microsoft Access Database Engine 2016 Redistributable

This is the official replacement for Jet OLEDB 4.0. It supports: How to Download and Install Microsoft Jet OLEDB 4

Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\myDatabase.mdb;

component. If you are encountering a "Provider is not registered" error, it is typically due to an architecture mismatch—your 64-bit application is trying to use a 32-bit driver. Microsoft Learn 1. Identify the Correct Replacement component

Leo was a systems migrator—a digital archaeologist of sorts. His job was to take beautiful, ancient, functional software built by programmers in the late 1990s and force it to run on modern, hyper-secure 64-bit servers.

Availability: It is typically included by default in most 32-bit Windows installations . However, users on modern systems often cannot find it for standalone download because it has been superseded .