~repack~ Download Microsoft Jet Oledb — 4.0
Fix 1: Change IIS Application Pool Settings (For Web Developers) Open the . Click on Application Pools in the left sidebar. Select the application pool running your website. Click Advanced Settings in the right sidebar. Find Enable 32-Bit Applications and change it to True . Click OK and recycle the application pool.
Directly downloading the provider as a standalone component is no longer possible because it is deprecated and has been an integral part of Windows for years.
The search for a "download" arises from two primary sources of confusion: download microsoft jet oledb 4.0
The Jet 4.0 driver is strictly 32-bit . If you are running a 64-bit application, it cannot see or use the 32-bit Jet driver.
Reading older Excel files ( .xls ) programmatically. Fix 1: Change IIS Application Pool Settings (For
The direct upgrade for Jet 4.0 is the Microsoft ACE OLEDB Provider (Access Database Engine). Recommended Solutions Switch to ACE OLEDB (Preferred Solution)
on modern versions of Windows (10 and 11), but it only exists as a 32-bit (x86) Click Advanced Settings in the right sidebar
Microsoft has replaced Jet with the ACE (Access Connectivity Engine) driver for newer file formats like .accdb and .xlsx . How to Fix common issues Microsoft.Jet.OLEDB.4.0 - SS&C Blue Prism Community
Here is a short story looking into that frantic digital goose chase. The Ghost in the 64-Bit Machine
if you are forced to maintain legacy code that explicitly demands Microsoft.Jet.OLEDB.4.0 .
with 200+ upvotes, where frantic developers realized that the Jet 4.0 engine was purely 32-bit and would never natively speak to a 64-bit operating system. Ancient MSDN forum posts