I have an appplication that reads information from Access Database, it uses ADO (msado15.dll) to open a database using Connection15::Open( ). I am unable to open Access 2007 database using this method. I get the following error: "Microsoft JET Database Engine, Unrecognized database format". Is there something I am doing wrong or I should be aware of? Does msado15.dll support Access 2007 databases? Thank you in advance.