商務英語交流中，商務書信是一種常見的.方式，它跟普通信件一樣，也有一定的書寫格式的規範，本文是一種比較常見的格式，供大家參考。
28 February 2015 (Date Line日期)
xxxxxx Co., Ltd
34 Regent Street
London, UK Inside (Address 收信人地址)
Dear Sirs: (Salutation稱呼)
We have obtained your name and address from Dee&Co. Ltd, and we are writing to enquire whether you would be willing to establish business relations with us.
We have been importers of shoes for many years. At present, we are interested in extending our range and would appreciate your catalogues and quotations.
If your prices are competitive we would expect to place volume orders on you.
We look forward to your early reply. (Body信文)
Yours faithfully (Complimentary Close客套結束語)
Tony Smith (Signature Block簽名欄)
Enc. (Enclosure Notation.