If you are attempting to run a script, application, or database migration and receive errors stating that the , you likely need this driver. Common scenarios requiring this download:

Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\myFolder\myExcelFile.xlsx;Extended Properties="Excel 12.0 Xml;HDR=YES;"; Use code with caution.

Provides identical file-reading capabilities but includes native 64-bit support and security patches.

After installation, the driver registers itself in:

: