> can you not see the extension If you see a file that's called "something.doc", can you tell whether it's a flyer for someone's holiday party versus another s

> can you not see the extension If you see a file that's called "something.doc", can you tell whether it's a flyer for someone's holiday party versus another sample of that malicious RTF that's been going around this week? All the extension does is let Windows put an icon on it and dispatch it to the right application, and if the application supports multiple file formats it does the actual identification by the file header.