If you need to upgrade or remove the engine entirely:
Released alongside Office 2007, this engine was the successor to the venerable . Its primary purpose was to facilitate communication between non-Microsoft Office applications and Office files. Specifically, it introduced support for the then-new XML-based file formats: .accdb (Access) and .xlsx (Excel). download microsoft access database engine 2007
Support for the .accdb format: This was the first version to support the XML-based Access format introduced in Office 2007. Installation and System Requirements If you need to upgrade or remove the