Download ((hot)) Microsoft.ace.oledb.12.0 Provider For Both 64-bit · Editor's Choice

# For 64-bit systems (install 64-bit provider): AccessDatabaseEngine_X64.exe /quiet

To stop Office from "reconfiguring" every time you open Excel or Access, you must delete a specific registry key: Open .

For developers, note that is a 64-bit application and will only see the 64-bit drivers in its design-time environment. download microsoft.ace.oledb.12.0 provider for both 64-bit

: Recommended as a modern replacement for the 2016 engine. Download it from the Microsoft Support Page . How to Install Both 32-bit and 64-bit Providers

For compatibility, most systems accept "12.0" as a valid ProgID even with the 2016 engine installed. Download it from the Microsoft Support Page

: Available at the Microsoft Download Center . You can choose between AccessDatabaseEngine.exe (32-bit) and AccessDatabaseEngine_X64.exe (64-bit).

The is the OLE DB provider that allows applications to read and write data to Microsoft Access and Excel files. 12.0: Refers to the version bundled with Access 2007-2010. You can choose between AccessDatabaseEngine

How to Download & Install Microsoft.ACE.OLEDB.12.0 Provider (64-Bit & 32-Bit)

Check if there is a string value named mso.dll . If it was deleted by the installer, you may need to run an of Microsoft 365 via the Windows Control Panel to restore full Office functionality. Summary Connection String Cheat Sheet

AccessDatabaseEngine.exe

Get-ChildItem "HKLM:\SOFTWARE\Microsoft\Office\14.0\Access Connectivity Engine" -ErrorAction SilentlyContinue