The provider is part of the Microsoft Access Database Engine. To use it in both 32-bit and 64-bit environments on the same machine, you typically need to install the Microsoft Access Database Engine 2010 Redistributable or the newer 2016 Redistributable using a command-line workaround, as Microsoft generally prevents installing both bitness versions through the standard interface. Official Download Links
Microsoft Access Database Engine 2016 Redistributable . Files to select: accessdatabaseengine.exe (32-bit) accessdatabaseengine_X64.exe (64-bit) 2. Side-by-Side Installation Steps download microsoft.ace.oledb.12.0 provider for both 64-bit