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Either way, all the best to you, too … or, all the best to you as well. The first one seems more natural. Well if they intend to mean ' the best to all of you', they should either write simply that, or else 'We wish you all , the best '. Bold type is no substitute for proper punctuation. You can say either one. When the best wishes are for a longer or indefinite period, we tend to say "in": I wish you all the best in your future endeavors. When the wish is for some specific thing (as in your example), I think we say "with" at least as often, although "in" works well, too. 25 They have slightly different meanings. Best wishes to you means I am sending you my best wishes, while Best wishes for you means I have best wishes in my heart for you. The first form is the standard in letters and cards, for example.
