Why after selecting of MS Access database, the program reports about database .accdb format error? September 11, 2014 17:48 All our tools support 32-bit version of Office. For now, they are not intended for 64-bit version. Related articles Your program tries to process the non-existent queries in my database. How can I overcome this? Is it necessary to have MS Access installed for proper working of your tools? Which versions of Microsoft Access are supported? I’ve got "Fast Database core error. Unhandled exception. Operation stopped. Contact software vendor. Closing connections." Source / Destination steps Comments 0 comments Please sign in to leave a comment.