Format of informal letter and how to write it to someone

Letter writing is a means of communication which can be written for job proposal, admission, marriage proposal, etc. The reasons for writing a letter are too much, hence, they are non overemphasized. They are different types of letter writing. Here, we will list and explain format of informal letter and how you can write it to someone.

Informal letter writing is a type of letter written to a friends, family members, boyfriend, girlfriend or anybody who is very close to you or have mutual relationship with, for example, your business partner, course mate, etc. If you searching to know the format of informal letter writing and how to write to someone, then we assure you that your searches have ended here.

Just like any type of letter, they must be the aim of writing it, topic you would like to write about in your letter. In informal letter, you can write as many topics as you like since it is a type of letter written to someone you are closely related to.

In this post, we will show with you all steps involved in writing informal letter including the recommended formats which should be strictly followed when writing it.

A good informal letter consists seven (7) features. Now, let’s start discussing format of informal letter and how to write it to someone.

Examples, format and features of informal letter

  • Address of the sender.
  • Date of writing a letter.
  • Address of receiver.
  • Salutation/Greeting.
  • Body of the letter.
  • Conclusion.
  • Signature of the sender.

1. Address of the sender

An informal letter is a type of letter which always begins with the sender’s address on the top lefthand corner or the right-hand corner. Next, write the date below the your address on the right or left-hand corner. The date is followed by an appropriate salutation such as “Dear, name of that person”. You can also use the title ”Dear Dad, Mum, Sis etc.”

Read this also: how to write a formal letter to a company (step by step).

2. Date of writing a letter

In informal letter, there are no rules on how to write a date because it is a letter that is going to someone you completely know, for example, friend, wife, dad, brother, etc. hence, you can choose to write your date in numerical form like “30-03-2022,” or an abbreviated form like “30th March 2022.” 

3. Address of receiver

Another format of an informal letter is the address of a receiver. The salutation used in informal letter must be friendly. You may greet the receiver as ‘Dear/Dearest’ followed by their first name/nick name. In rare case, it is advisable to greet your elders with respect such as Dear Grandma/Dear Grandfather and not use their names. Following these rules will add mark to your work if it is in exam.

The address of a receiver of an informal letter is usually written the on the left-hand side of the page at the very top. It should be accurate and complete. Even when writing to close friends or relatives the address must be written in order to help them in replying back to the letter with ease.

4. Salutation/Greeting

A good informal letter writing must also contains salutation/greeting. Salutation itself is a greeting used in a letter or other written or non-written communication. Salutations can be formal or informal. The most common form of salutation in an informal letter is Dear followed by the recipient’s given name.

5. Body of the letter

A body of a letter is the content or your discussion in a letter. It usually consists of three paragraphs, introduction, content and conclusion. In the introduction of your letter, you should state your reason for writing. In the body expand on what you mentioned in the first paragraph and in conclusion section, clearly recommend what should be done to solve existing issue if any.

6. Conclusion

After the completion of writing your informal letter, another important next step is concluding it. The conclusion of an informal letter is typically refers to as closing salutations using a phrases like “Yours truly,”, “Your friend,”, “All the best,”, Take care,”.

Nowadays, more friendly closing salutations are also acceptable, such as: “See you soon,”, “Don’t be a stranger,”, etc. If you use them, you would get extra mark.

7. Signature of the sender

In informal letter, after making your conclusion and closing it with appropriate closing remark like ‘Yours sincerely’, then sign with just your first name. Please don’t add your surname and title.


An informal letter is a letter formed to be written to a friend, family member, or someone who is not too old than you. Anytime you are writing an informal letter, remember to make sure that the seven features listed and explained below must be adopted in your letter writing.

Without carefully following the features of a letter as shown in the case of informal letter above, its format is not yet complete, hence, you may loose mark as a result of that.

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Abdulrazaq Yahaya

Hi. Welcome to Fastknowers. On this blog, I share articles on how to develop your personal and career life. If you did like this article, please share it with others.

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