Filename extensions for new apps

teddymines

Senior member
Jul 6, 2001
940
0
0
When a software company creates an app that reads or writes files in a proprietary format, how do they pick filename extensions? The danger I see is that they might pick one that is already in use, and there would be a registry conflict. Of course they would stay away from the common ones such as .DOC and .TXT, but how about a .GWF or .KCF file?

Is there a registration process to "lock in" an extension with an application?
 

Beau

Lifer
Jun 25, 2001
17,731
0
76
www.beauscott.com
Not that I know of. It really doesn't matter anyway, considering you have the option of what program to use to open the file using right click.
 

Nothinman

Elite Member
Sep 14, 2001
30,672
0
0
Far as I can tell it's a free for all, with people avoiding very commonly used ones.

There would be no registry conflict, the installer would just just overwrite the old association =)