EN : Introduction Etiquette: Avoid saying « Nice to meet you » when you meet someone for the first time.
I know, i know! This is used by everyone, all the time, in middle-class settings.
It’s short, easy, polite and sweet.
However, this does not make it correct.
The correct way to greet someone, worldwide, would be “How do you do?”
It’s very formal but comes out confident and educated