Download Microsoft Jet Oledb 4.0 [verified] (2025)

: The Jet OLEDB 4.0 provider was never released as a 64-bit component Stack Overflow Windows Built-in : It is already present in your system's C:\Windows\SysWOW64\ msjet40.dll on 64-bit Windows systems Stack Overflow Deprecated : Microsoft recommends using newer alternatives like Microsoft SQL Server Express for modern development Microsoft Community Hub How to Fix "Provider Not Registered" Errors

: It only exists in 32-bit . If you are running a 64-bit application, you will frequently encounter the error: "The 'Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine" . Modern Recommendations & Alternatives download microsoft jet oledb 4.0