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Letter Writing Format | Formal Letter and Informal Letter, Types, Samples, Examples


By:Ruchika Gupta

Letter Writing, Introduction, Types of Letter, Letter Writing Topics, Letter Writing in English


letter writing format formal informal letters


Letter Writing in English - Letter writing is an important topic in the English writing skills section for school students. Everyone must know how to letter Writing. While writing a formal letter, one has to follow the Letter Writing Format.

Formal Letter - A formal letter can be written for various reasons. Here we have covered the Formal Letter Format written for different purposes. On the other hand, an informal letter is written to one’s friends, family, or relatives.

As an informal letter is not an official letter, one does not have to follow the Informal letter formatstrictly. Here, we will discuss samples of letter writing and Letter Writing Examples.

A letter is one person's written message to another pertaining to some matter of common concern.



Letters are of two types –

1. Formal Letter

2. Informal Letter



Formal Letter

A Letter written for a formal purpose is called a Formal letter. It addresses a serious issue. Let us discuss the types of formal letter


Also See : Formal Letter | Formal Letter Format, Topics, Examples


Types of Formal Letter | Letter Writing to Editor, Letter Writing to Principal

1. Letter to the editor

2. Letter to the Government 

3. Letter to the police

4. Letter to the principal

5. Order letter

6. Complaint letter

7. Inquiry letter

8. Business letter

9. Application letter for job

10. Letter to the Bank manager

11. Invitation letter

12. Resignation letter

13. Leave Application

14. Leave Application for marriage

15. Leave Application for maternity


Check out this Video for Complete info on Letter Writing




Check out the Types of Formal Letter Mentioned Above


Letter Writing | Formal Letter Format

Formal Letter Format includes:

The following points need to be taken into consideration while writing a Formal letter-
a. A Formal Letter strictly follows the prescribed Format for Formal Letter Writing.
b. The use of colloquial words, abbreviations, and slang language should be restricted while Formal Letter Writing.
c. A Formal Letter must be precise and to the point.
d. The Subject line is very important in a Formal Letter.

The Formal Letter Format is as follows –
1. Sender’s address: The address and contact details of the sender are written here. Include email and phone number, if required or if mentioned in the question.
2. Date: The date is written below the sender’s address after Leaving one space or line.
3. Receiver’s address: The address of the recipient of the mail (the officer/principal / Editor) is written here.
4. The subject of the letter: The main purpose of the Letter forms the subject. It must be written in one line. It must convey the matter for which the letter is written.
5. Salutation (Sir / Respected Sir / Madam)
6. Body: The matter of the letter is written here. It is divided into 3 paragraphs as follows -
Paragraph 1: Introduce yourself and the purpose of writing the letter in brief.
Paragraph 2: Give detail of the matter.
Paragraph 3: Conclude by mentioning what you expect. (For example, a solution to your problem, to highlight an issue in the newspaper, etc).
7. Complimentary Closing
8. Sender’s name, signature, and designation (if any)


Sample of Formal Letter Format

Sender’s address


Receiver’s Address



Body of the letter


Complimentary closing

Sender’s Name, signature and designation


Informal Letter Writing

Informal Letter Writing - A Letter written for an informal purpose is called an Informal letter. It is written for a casual purpose.

Let us discuss the types of informal letter -


informal letter format


Types of Informal letter

1.Letter to parents
2. Letter to siblings
3. Letter to friends
4. Letter to classmates
5. Letter to neighbors



For complete details please see Informal letter Format, Examples, Topics. What is an Informal Letter?



Informal Letter Format

The following points need to be followed while writing an Informal letter-
a) An Informal Letter does not strictly follow the prescribed Format.
b) The language of an Informal Letter must be friendly and casual.
c) An Informal Letter can have extra information.
d) The Subject line is not required in an Informal Letter.
The Informal Letter Format is as follows –
1. Address: The address of the sender is followed by that of the receiver.
2. Date: The date is written below the address after leaving one line.
3. Salutation / Greeting (Dear / Hi / Hello)
4. Body: The matter of the letter is written here. It is divided into 3 paragraphs as follows -
a) Paragraph 1: beginning
b) Paragraph 2: Main content.
c) Paragraph 3: ending
5. Sender’s name and signature.




Body of the letter



Sender’s Name and signature


Related - Report Writing Format, Types, Topics, Samples, Examples



Letter Writing Sample Letters

Here are some solved questions on Letter Writing 

1. Write a letter to the Mayor of your city seeking a solution to the problem of waterlogging in your area. You are Raj / Rani of Dharma Colony, Ramgarh.

14 / 8, Dharma Colony

Date: 15 January 2021

The Mayor

Subject: Complaint regarding the problem of water logging in Dharma Colony

Sir / Madam

I am Raj, a resident of Dharma Colony. The residents of the area are facing a lot of problems due to water logging.
Every year in the monsoon season, the area gets filled with water as the drainage system gets choked. We have requested the area committee many times, but the situation is still the same. The residents’ lives have become miserable as many water - borne diseases have spread. All the houses are submerged, and we are facing a tough time.
Please consider the issue as serious and find a solution at the earliest.

Yours Sincerely



2. You are Garima / Gaurav. Write a letter to your friend Sanjana / Sanjay, inviting her / him to your birthday party. Give details regarding the day, time, venue, etc. Add interesting details like theme, dress code, etc.

45, Jan Marg
33, Khan Gali

Date: 15 January 2021

Dear Sanjay

Hi! You are invited to my birthday party on 25th August.
The party will be at Archie’s Place, Nehru Park from 4:00 to 7:00 PM. As the party is based on the ‘Spiderman’ theme, please wear a dress in red / black color combination. It will be fun as I have arranged a Mask game, a ‘Spidey’ web game, and a never – seen – before neon light and music show. I am very excited as I will wear a special Spidey costume designed by my sister. Please come as it will be good to have your company. Also, bring your brother Saurav.
Waiting for your confirmation.




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