Configuring Windows Explorer
Files Without Extentions

Normally, when you right click a file which does not have an extention, the pop-up menu displays the options which apply to all file types (*) and those which apply to Unknown file types. By adding a dot key to HKEY_CLASSES_ROOT, you can define menu options for only those files which do not have an extension.

This example comes from news://microsost.public.win95.setup. Simply copy the text to an *.reg file and merge it

The following will have a similar effect.
Author: Robert Clemenzi -
URL: http:// / user / clemenzi / technical / WinExplorer / FilesWithoutExtentions.htm