A very polite expression of gratitude for receiving special consideration or patronage from someone. It is frequently used as a set phrase in the opening of formal business documents, such as 'We deeply thank you for your continued and exceptional patronage.'

相手からの格別な配慮や引き立てを受けることを表す、非常に丁寧な感謝の表現。ビジネス文書の冒頭で「平素は格別のご高配を賜り、厚く御礼申し上げます」のように定型句として使われることが多い。