Is it comfortable to address you as 'you' or do you prefer formal communication?

In a professional environment, it is usually better to stick to formal communication, especially during the first contact or if you do not know the person personally. This helps maintain a respectful and businesslike tone.

However, in teams with an informal culture or if the interlocutor suggests switching to "you" (informal), a more friendly communication can be used. The main thing is to consider the context and the preferences of the interlocutor.