Download Microsoft Jet Oledb 4.0 ((new))

The 32-bit version of your app can see the Jet driver. Again, no download required – it is already on the system (for Windows 7, 8, 10, 11 up to certain builds). Recent versions of Windows 10/11 Home may have the driver removed entirely due to security. Check the next section.

Because Jet 4.0 is built into Windows XP/2003, there is no official "setup.exe" for it in modern Windows. However, you can ensure your system is updated to support it if you are running a 32-bit Windows system.

Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\folder\path\;Extended Properties="text;HDR=Yes;FMT=Delimited";

Follow these steps to resolve the Microsoft.Jet.OLEDB.4.0 error in your application: download microsoft jet oledb 4.0

Searching for a "download Microsoft Jet OLEDB 4.0" link? Learn what this legacy driver is, why Microsoft removed it, and how to connect to Access (.mdb) & Excel files on modern Windows (10/11/Server).

The is a database engine upon which several Microsoft products have been built, including Microsoft Access and Visual Basic. Jet OLEDB 4.0 is the specific provider used to connect to these databases. Technology: 32-bit only. Purpose: Read/Write Access .mdb files. Status: Obsolete (Replaced by ACE).

The driver is pre-installed on the following operating systems: Windows 11 Windows 10 Windows 8 and 8.1 Windows Server 2008, 2012, 2016, 2019, and 2022 Verification via MDAC / WDAC The 32-bit version of your app can see the Jet driver

Many OLE DB providers require the Microsoft Visual C++ Redistributable to be installed.

If your app requires 64-bit compatibility, I recommend using the (2010 or 2016) instead of searching for the 32-bit Jet provider. Enabling 32-bit compatibility in IIS ? Converting an .mdb file to .accdb ? Share public link

Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Data\Northwind.mdb; Check the next section

This is the most stable redistributable provider available for legacy app support.

Microsoft Access Database Engine 2016 Redistributable 5. Summary Table Requirement Driver Name Architecture Target Extension Legacy App Microsoft.Jet.OLEDB.4.0 32-bit only .mdb Modern App Microsoft.ACE.OLEDB.12.0 32-bit / 64-bit .mdb / .accdb