Windows - Unknown File Type & Windows Web “Lookup”

Question

On MS Windows, when you double-click a file with an unknown file extension, the OS presents you with a message giving you a a choice of:

1 - Use the Web service to find the appropriate program

2 - Select the program from a list

Is there a way to "register" your file extension with MS (or whoever) to allow your application to show as a result when the "Use the Web service to find the appropriate program" is selected?

Answer 1

This knowledgebase article outlines what you need to do in order to have your application included in the results for your particular file extension:

http://support.microsoft.com/kb/929149