Informal Letter Format – How to Write, Parts, Sample Informal Letters

Informal Letter

Have you ever needed to write an informal letter and didn’t know where to start? Maybe you’ve received one and didn’t know how to respond. In this guide, knowledge glow will go over the different parts of an informal letter and how to write one, regardless of the occasion. An informal letter is a letter that is not written for professional or business purposes. It is usually written to a friend, family member, or someone with whom you have a close relationship. Informal letters are usually shorter than formal letters and do not require a specific format. However, there are still some guidelines you should follow when writing an informal letter.

What is an informal letter?

An informal letter is a letter that is not written for business or professional purposes. It is a letter that is written to a friend, family member, or other acquaintance. The tone of an informal letter is usually more personal and friendly than the tone of a formal letter.

Informal letters often do not have a strict format, but there are still some elements that are common in most informal letters. The sender’s address is usually written in the top left corner of the letter. The date is typically written beneath the sender’s address, on the left side of the page. The recipient’s address is written on the right side of the page, above the salutation.

The salutation in an informal letter is typically

  • “Dear [name].”
  • The body of the letter contains the message that the sender wants to communicate.
  • After the body of the letter, there is usually a sign-off such as “Sincerely,” “Love,” or “Best wishes.”
  • Beneath the sign-off, the sender writes their name.

The different parts of an informal letter

An informal letter is a letter that is written to a friend, family member, or someone with whom you have a close relationship. There are no set rules for how to write an informal letter, but there are some common elements that you will find in most letters.

The different parts of an informal letter include:

-The heading: This is the address of the person who is writing the letter. It includes the name, address, and date.
-The salutation: This is the greeting at the beginning of the letter. It is typically “Dear” followed by the person’s name.
-The body: This is the main part of the letter where you will write your message.
-The closing: This is where you end your letter and sign off with a friendly phrase such as “Sincerely” or “With love.”

Also Check : Formal Letter Writing in English

How to write an informal letter

An informal letter is a letter that is written to a friend, family member, or someone with whom you have a close relationship. It is different from a formal letter in that it is more personal and relaxed in tone. When writing an informal letter, there are a few things to keep in mind:

-Keep the tone friendly and relaxed
-Use contractions (I’m, I’ve, etc.)
-Use first names
-Include personal details and news

The format of an informal letter is also different from a formal letter. An informal letter typically starts with the sender’s address in the top left corner, followed by the date. The recipient’s address is typically not included. The body of the letter starts with a greeting, followed by the main text. The letter ends with a closing and the sender’s signature.

What is the format of an informal letter?

An informal letter can be written in any format you choose, but there are some common elements that should be included. The date and address of the sender should be at the top of the page, followed by the address of the recipient. The salutation (Dear Mr./Mrs./Ms. etc.) should come next, followed by the body of the letter. The closing (Sincerely, Yours truly, etc.) should come after the body, followed by your signature and name.

informal letter example

Examples of informal letters

There are different types of informal letters, but the most common ones are friendly letters, thank-you letters, congratulations letters, and sympathy letters.

A friendly letter is a letter you would write to a close friend or family member. These letters don’t need to be formal, and they can be written in a casual style. Here is an example of a friendly letter:

Here is an example of an informal letter:

1st Example :

Dear John,

I hope you are doing well! I can’t believe it’s been so long since we last saw each other. I miss you so much! I was just thinking about all of the fun we used to have together and I wanted to reach out and see how you are doing.
How have you been? What have you been up to? I’d love to catch up soon. Give me a call or drop me an email when you have a chance!

2st Example :

Dear Abby,

I was so sorry to hear about your car accident. I hope you’re doing OK and that you recover quickly. Let me know if there’s anything I can do to help you out.


A thank-you letter is a letter written to express gratitude for something someone has done for you. For example, you might write a thank-you letter to a teacher who has helped you succeed in school, or to a friend who did something kind for you. Here is an example of a thank-you letter:

3rd Example :

Dear Mrs. Smith,

Thank you so much for your help with my math homework. I really appreciate it and it has made a huge difference in my grades. Thank you also for being such a great teacher overall. I have learned so much from you this year.

A congratulations letter is sent to praise someone for an accomplishment or achievement they have made. For example, you might send a congratulations letter to a friend who has just


We hope this article on the informal letter format has shown you how easy it is to write an informal letter. Remember to use a friendly, conversational tone and to focus on the main points you want to communicate. Be sure to proofread your letter before sending it off, and if you need help getting started, check out our sample informal letters for inspiration.

Frequently asked questions on informal letter

1.What are the characteristics of informal letter?

Informal letters are written in a relaxed style, and they are not addressed to a specific person. The writer of an informal letter does not follow any particular format or rules, but uses his/her creativity to write it. They can be sent by mail, fax or email as long as it’s not on official letterhead for legal purposes, such as court documents or business contracts; this means that you should always check with your boss first before sending one!

2. What is an informal letter used for?

Informal letters are used for personal and social correspondence. They are written to friends, family and acquaintances. Informal letters may also be used in business correspondence.

Informal letters can be written by either the sender or the recipient of the letter, although it is usually best if you write your own informal letter as this will show that you have taken time out of your busy schedule to write it yourself!

3. Where does the date go on an informal letter?

The date goes at the top of the letter, after the salutation. The date should be formatted according to your country’s customs and laws.

4. How do you write a formal and informal letter?

An informal letter is written in a conversational style. It’s easy to tell the difference between an informal and formal letter because they use different types of language, such as “you” vs “you’re.”

An informal letter can be addressed to one person or several people, such as Dear Sir or Madam. However, if you want your message to be read by more than just one recipient and you feel comfortable using their name instead of Mr., Mrs., or Ms., then this is perfectly fine!

5. How do you write an informal email example?

Informal letters are short, personal and often written in the first person. They can be used to communicate with friends, family and colleagues.

Informal letters tend to be more informal than formal emails because they are not as formalized as an email—they’re written in a more conversational style rather than as a formal business communication. If you want to sound like yourself but still make sure that your message gets across, this type of letter may be just what you need!

6. What are the formats of writing a formal and informal letter?

When writing a formal letter, you should use the following format:

  • Address the person at the top of your letter. You can do this by typing their name or title in bold letters and then following it with their address (e.g., “Dear John,” “Dear Mr./Ms…”). If you’re unsure of how to address someone, ask them before sending off your email or letter!
  • Write polite introductions such as warm greetings and thanks for receiving their mail or package; make sure they know what they’ve been sent so they don’t think it’s junk mail! If there are multiple recipients in one package and/or if many packages have recently arrived at once (e..g., because it was shipped from overseas), then consider adding separate paragraphs for each recipient so that everyone can read theirs first before opening up everything else—this will help prevent confusion later on down the road.”

7. How do you start an informal letter in English?

An informal letter is one that isn’t written on formal paper and doesn’t have a salutation, signature or closing. An informal letter should be friendly, relaxed and casual in tone. You can start it with “Dear”, “Darling” or “Dear Sir”. If the recipient’s name is known to you then use ‘Your’ instead of ‘The Hon/Madam’. The word ‘lovely’ works well for any female recipient (even though it’s not technically correct). It’s also acceptable to use this word when referring to yourself as well!

9. What are some examples of informal writing?

Informal letters are letters that are not written in the formal style of a formal letter. Informal letters are often used for personal correspondence and can be used to make requests or send greetings.

An informal letter is also known as an informal note, chatty note, casual letter or even just “a note”. An informal note isn’t necessarily meant to be taken seriously—it’s more like an email than a traditional letter.

About The Author

Knowledge Glow

I am Komal Gupta, the founder of Knowledge Glow, and my team and I aim to fuel dreams and help the readers achieve success. While you prepare for your competitive exams, we will be right here to assist you in improving your general knowledge and gaining maximum numbers from objective questions. We started this website in 2021 to help students prepare for upcoming competitive exams. Whether you are preparing for civil services or any other exam, our resources will be valuable in the process.

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