Allotments 4 All

oh db.....am being terribly stupid here I'm sure but where exactly in 'my documents' will I find that 'My Chats'....everything I've got in there is something I've 'created' letters/poems/lists allsorts!.....where exactly in there should I be looking please....is it something already 'written into' it when you buy your computer?......my laptop is 7 years old now! :-\