: You have the 32-bit driver installed, but your application (like Power Automate or a 64-bit SSMS process) requires the 64-bit driver.
The most frequent issue is the error: "The 'Microsoft.ACE.OLEDB.16.0' provider is not registered on the local machine." This usually happens for two reasons:
While it is commonly used for SQL Server Integration Services (SSIS) packages and importing data into SQL Server, it is intended to be a general replacement for SQL Server or a way to create Office files through automation. How to Download and Install the x64 Version microsoft.ace.oledb.16.0 download x64
To use the 64-bit provider, you must download the specific architecture that matches your operating system and the application trying to use the driver.
Support for the 2016 Redistributable ended on October 14, 2025 . Microsoft now recommends the Microsoft 365 Access Runtime for newer environments. Common Error: "Provider is not registered" : You have the 32-bit driver installed, but
The provides a set of components—including ODBC and OLEDB drivers —that facilitate data transfer between Office files and non-Microsoft Office applications like SQL Server.
: Click "Download" and select accessdatabaseengine_X64.exe (approx. 79.5 MB). Support for the 2016 Redistributable ended on October
: Follow the prompts to accept the license agreement and choose an installation location.