The Microsoft Jet OLE DB 4.0 driver is a software component that allows applications to access data stored in Microsoft Access databases, as well as other data sources such as Excel spreadsheets, text files, and more. It's a crucial component for anyone working with data in Microsoft Office applications, particularly Access.
: You can find the Microsoft Access Database Engine 2016 Redistributable on the official Microsoft site . download microsoft jet oledb 4.0
This is the official replacement for Jet OLEDB 4.0. It supports: The Microsoft Jet OLE DB 4
What are you trying to connect to? (e.g., .mdb , .accdb , .xls ) Are you running on a 64-bit operating system ? This is the official replacement for Jet OLEDB 4
Always enforce on applications utilizing Jet 4.0.
The ACE engine is backward compatible and can read the older .mdb formats used by Jet.
If you are building new applications, . Use the Microsoft Access Connectivity Engine (ACE), which supports both .mdb and .accdb formats, 32-bit and 64-bit. Provider: Microsoft.ACE.OLEDB.12.0 (or newer)