Locate (or AceDataEngine.msi ) directly inside that directory. Method 2: Download Directly from the Microsoft Center

If you are a user of AutoCAD Electrical, Autodesk Inventor, or other data-intensive engineering software, you may have encountered an error indicating that the or that the Microsoft Access Database Engine cannot be located.

The aceredist.msi file is an installer package (MSI, or Microsoft Installer) that deploys the necessary runtime components—specifically, the and its dependencies—onto a computer. It is not a standalone driver or an application in itself, but rather a utility that sets up the underlying data access technology required for certain software to function correctly.

However, because it is a downloadable installer file, malicious actors sometimes disguise malware with the same name. Always exercise caution.

Office 365 updates often break the link to the Access Engine. Performing an of Microsoft Office frequently fixes the detection tool. Missing .msi File

is the official installer package for the Microsoft Access Database Engine 2016 Redistributable . It acts as a critical background data bridge that allows specialized third-party software—most notably AutoCAD Electrical , Autodesk Inventor , and data-processing tools—to communicate with Microsoft Office system files like Access ( .mdb , .accdb ) and Excel ( .xls , .xlsx ).

Note: As of November 18, 2025, support for the Access Database Engine 2016 Redistributable has ended, but it remains necessary for legacy application compatibility.