Two or more people.

Ryan   Friday, February 20, 2004, 17:54 GMT
I tend to say "you guys" or "you all," depending on the situation, but I never condense "you all" down to "y'all" like Southerners do.
Pod   Sunday, February 22, 2004, 02:41 GMT
I say ''you guys''. I say ''you all'' in a more formal situation. I don't like the word ''y'all''.