I want to backup my Office 2007 Outlook .pst and .ost files. On WinXp they're under ... Application data .... in Documents and Settings. But on Win7, the D&S folder doesn't appear in Windows Explorer. It does show if you choose Tools -> Options -> View and select display hidden OS files. But you still can't access it. How do I get ahold of my Outlook files so I can copy them to an external disk?