The provider is part of the Microsoft Access Database Engine Redistributable. While originally released with Office 2010, modern versions like the 2016 Redistributable are backward compatible and are the recommended choice.
: Download from Microsoft Support (Modern alternative for 365 users). Choosing the Right Version: 32-bit vs. 64-bit download ace oledb 12.0
How to Download and Install Microsoft.ACE.OLEDB.12.0 If you are seeing an error like it usually means your system is missing the required connectivity components. This driver is essential for applications (like SQL Server, Visual Studio, or custom .NET apps) to communicate with Microsoft Access (.accdb, .mdb) and Excel (.xlsx, .xls) files. Direct Download Links The provider is part of the Microsoft Access