Download Microsoft Jet Oledb 4.0 [patched] Jun 2026

Beginning with Windows 2000 and up through Windows 7, the Jet OLEDB 4.0 driver was included as part of the . You never "downloaded" Jet 4.0 separately; you installed Windows.

Here is the crucial information regarding this download and the correct solution for modern systems. download microsoft jet oledb 4.0

If you are reading this article, you are likely one of three people: Beginning with Windows 2000 and up through Windows

ACE supports both .mdb (Jet 4.0) and .accdb files, and works with OLEDB (though connection strings differ). Persist Security Info=False

Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Data\Northwind.mdb;Persist Security Info=False;