便函和備忘錄(Informal Letters or Memos)通常用於公司內部傳遞資訊，將實情、資訊、觀察資料等進行傳閱。下面就一起來學習便函和備忘錄怎麼寫吧。
便函和備忘錄包括如下固定格式：
Date：(日期，如September 12, 2001)
To：(收文人，如All Faculty)
From：(發文人，如Jim B. Hardemann)
Subject：(事由，如Faculty Meeting)
英語應用文寫作便函或備忘錄寫作特點：
1?在date, to, from, subject字樣後填上相應的`內容。
2?在上述字樣下面空兩行寫正文。
3?不用稱呼和結尾禮詞。
發文人的姓名首字母寫在與正文末行空一行的地方。
英語應用文寫作便函或備忘錄【例一】
TO: Henry Smith, Sales Manager
FROM: Jack Wong, Personnel Manager
DATE: May 4, 2000
SUBJECT: applicants for Sales Post
Attached are the resumes and certificates of four applicants who have applied for your department position.
Please evaluate these applicants and then recommend people you want to interview to me. As soon as I have the names, I will make arrangement for the interviews.
J.W.
英語應用文寫作便函或備忘錄【例二】
To: Ted Feng
Date: Oct. 1st
From: Paul Andersson
Time: 17:42
Topic: Delay of arrival
Paul called for you, just after you had left work. He missed the flight due to the bad weather. He will not arrive until 5 pm today on flight No. JL608. You are requested to meet him at the airport and drive him to Holiday Inn. This means you needn't wait for him at lunch time tomorrow. To make up he wants to invite you for dinner.
Nancy
