access 2007 and arcgis

clipped from support.esri.com  The proper way of connecting to Microsoft Access databases, either the MDB or ACCDB formats, is through an OLEDB connection. Many users connect directly to MDB files through the Add Data dialog box in Arcmap. In most cases, this works fine, but is not the recommended workflow. With the new Microsoft Access format, accessing ACCDB files directly through the Add Data dialog box is not possible. Office 2007 introduced a new Microsoft Access database format, ACCDB. ACCDB is the new default format in Access 2007, when saving or creating a database.   HowTo:  Connect to Microsoft Access 2007 (ACCDB) files in ArcGIS