Sure, Get Me a Crowbar

Graphics guy: What format are these files?
Boss: They’re from the guy next door.
Graphics guy: Okay, but what kind of files are these supposed to be? There’s no extensions so I can’t open them in anything unless I rename them all and just guess the extension until I get it right.
Boss: Can you open them and check?

2245 Royal Windsor Drive
Toronto, Ontario
Canadia

Overheard by: Bob