Each download contains updated versions of several .dll files that are included with Windows 2000 and later, Access 2000, Access 2002, Microsoft Office 2000 Developer, Microsoft Office XP Developer, Microsoft Visual Basic version 6.0 or later, and other Microsoft products that incorporate Microsoft Jet database engine 4.0.

The Access 2002 Setup program only updates system files on certain versions of Windows and to a certain level. The Access 2003 Setup program does not update any system files. Therefore, after you install Access you may not have the latest version of the Jet 4.0 database engine. Use the links in this article to obtain the latest Service Pack for the Jet 4.0 database engine.

If you have previously installed the latest Jet service pack for Access or another application that uses the Jet 4.0 engine, you do not have to install it again if you install a later version of Access.

How to Install the Latest Jet 4.0 Service Pack

The Jet 4.0 service packs are self-expanding archives that expand the files to the appropriate folder. To install the latest Jet 4.0 service pack, follow these steps: