Microsoft has consolidated and updated its access links. To get the universal connection capability for Microsoft.ACE.OLEDB.12.0 , you can download the official drivers directly:
The ACE Provider essentially acts as a bridge, enabling your code to treat these Office files like a database. download microsoft.ace.oledb.12.0 provider for both 64-bit
If you have 64-bit Microsoft Office installed, you must download the 64-bit driver. If you have 32-bit Office, you must use the 32-bit driver. Step 2: Installing the Provider (64-Bit) Microsoft has consolidated and updated its access links
Error: "The 'Microsoft.ACE.OLEDB.12.0' provider is not registered..." download microsoft.ace.oledb.12.0 provider for both 64-bit