Dex One was formerly known as R.H. Donnelley Corp., a company that filed for chapter 11 bankruptcy protection in 2009 and emerged in 2010 as Dex One Corp.

Q: With increasing frequency I receive emails with digital images attached. The file extension is .dex. Is there any software out there on the Internet that I can use to open these files? Or is it ...

Dex One Corp and SuperMedia Inc have both filed for bankruptcy protection after the directories publishers failed to win the full support of senior secured lenders for a change to a credit ...