The following procedure can be used to manually install the 64-bit Microsoft Access Database Engine (2010) on a computer that already has 32-bit Microsoft Office installed and running (versions 2007, 2010, 2013, or 2016).
The procedure is as follows:
- From a command prompt (run cmd.exe from a Windows search), enter the file path and name of the 64-bit Microsoft Access Database Engine (2010) install file, followed by a space and the switch /passive, for example: C:\Users\<ProfileName>\Downloads\AccessDatabaseEngine_x64.exe /passive. The /passive switch runs the installation without showing any error messages.
- Open the Registry Editor (regedit.exe from a Windows search) and browse to the following path: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\14.0\Common\FilesPaths. Delete or rename the mso.dll registry entry.