Informal Letter Format: Know How To Write An Informal Letter

Safalta Expert Published by: Saloni Bhatia Updated Sat, 12 Feb 2022 10:21 AM IST


Check the detailed format of an informal letter here. Informal Letters are the letters generally written to the writer's close friends, family, and acquaintances. 

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An informal letter is a friendly or personal letter written to friends or relatives (An informal letter to a friend). It's written in a really personal tone. You can send it to anyone with whom you have a non-professional relationship, including business partners and coworkers with whom you are friendly. The format of an informal letter could be simple as they are written to our closed one and hence it requires fewer formatting standards than for commercial or formal letters. The letter can be used for a variety of purposes, including communicating messages, breaking news, offering advice, congratulating the receiver, requesting information, and so on. It's a personal letter written to someone you know, such as friends, siblings, parents, or another close relative.

Source: Amar Ujala

In a casual letter, it is acceptable to be pleasant and adopt a personal or emotional tone. In addition, you can also check out our CUCET English E-book- download for free.

Informal Letter Examples

There could be many topics to write informal letters. Let us see here some of them:

  • Inviting a friend for a ceremony say for a birthday
  • Calling a friend for a trip or holiday
  • Asking sorry or apologizing to someone for mistakes you have done
  • Congratulating a friend for his success or achievement
  • Writing just to ask for the well-being of a person
  • Invitation for a marriage
  • Asking help from someone
  • Informing about someone’s demise in family or friends

Apart from the above-given reasons, there could be many other reasons for which we can write an informal letter.

Table Of Contents-
1. Format of an informal letter
2. Marking scheme of questions on informal letter
3. What is the best way to write an informal letter?
4. Topics for informal letters
5. Difference between formal and informal letter


Format of an Informal letter

Informal Letter Format - Informal letters have no established format. However, there is a broad pattern and some norms that most people adhere to. We'll look at this pattern as well as some pointers on how to compose effective and appealing informal letters. These can be used as guidelines while writing a letter; they are not strict restrictions. Let's get started.

Format of an Informal Letter: Address

The first thing you should put is your address, which is the writer's address (essentially, the sender's address). We normally write the address at the very top of the left-hand side of the page. The address must be correct and comprehensive.
Even when communicating with close friends or relatives, the address must be included so that they can respond quickly. If the letter's receiver is in another country, don't forget to include your own nation in the address.

Informal Letter Format: Date

The date is written directly below the address. This gives the reader a timestamp for when the informal letter was written. He will be able to relate to the contents of the letter better after that. The date should preferably be in extended form.

Informal Letter Format: Greeting

Now that you know who you're writing to, you can use a more casual greeting. If it's a buddy or someone your age, call them by their first name, such as "Dear Alex."
If you're writing to a relative, such as your mother/father/aunt/uncle, you can address them as such, such as "Dear Mom." If you're writing to a senior citizen or someone you admire, you can address them as Mr. or Mrs. If you were writing a celebratory letter to your instructor, for example, you could address it as "Dear Mrs. Alex."

Informal Letter Format - Introductory Paragraph

Now it's time to start composing the real letter. The tone of the letter is established in the first paragraph. You could start by inquiring about the recipient's health. You might also state that you hope they receive the letter in good health and spirits. The first line of an informal letter should be lighthearted and welcoming. It does not need to be as professional and direct as business letters.

Format of Informal Letter: Body of the Letter

The tone of the letter should be welcoming throughout. However, depending on who you're writing to, you'll need to change the terminology and terminology. You can be incredibly casual and even flippant when you're with a friend. When writing to an elderly relative, though, you must be respectful and polite.
Remember how you speak to the person in a conversation to help you define the tone of your letter. Then, in the letter, use the same phrasing and sentiments.

Informal Letter Format: Conclusion

Sum up the purpose for writing the letter in the concluding paragraph, i.e. summarise the letter. Give the reader a heartfelt and thoughtful farewell. Also, don't forget to invite the reader to respond to your letter by writing back. It demonstrates a desire to continue the dialogue.


There is no one way to sign off informal letters. Since they do not follow a strict format, you may sign off as you please. Some commonly used phrases are
  • Lots of Love
  • Best,
  • Best Wishes,
  • Kind Regards,
  • Kindly,
Choose the one that is most appropriate for the occasion, and then sign your name beneath the greeting.


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Marking Scheme of Questions on Informal letter

1. sender's address,
2. date,
3. receiver's address,
4. subject/heading,
5. salutation,
6. Complimentary close.
01 mark
Content 03 marks
grammatical accuracy, appropriate words, and spelling
 coherence and relevance of ideas and style
02 marks:
Total 06 marks

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What is the Best Way to Write an Informal Letter?

  • Double-check your work for grammatical and spelling errors. They have a mark on them.
  • To make it look clean, leave a sufficient number of lines between paragraphs.
  • It's critical to emphasize the most significant points. However, it is recommended that you do it after you have completed your exam. Underline with a pencil and a scale.
  • The importance of the presentation cannot be overstated.
  • To acquire an idea, read a lot of letters.

Topics for Informal Letters

Here's a rundown of a few key points:
  • Including a friend in the invitation
  • Apologizing to a friend Advising a buddy
  • Thanking a friend for spending the Christmas season with them Reminding a friend Congratulating a friend Asking for assistance
  • Acknowledging a blunder

What is the difference between a formal and an informal letter?

The formal letter is written for business or professional purposes with a defined goal in mind, whereas the informal letter is written for personal reasons. It uses straightforward language that is simple to read and comprehend. Informal letters, on the other hand, are written to friends and family for personal connection and require a light or emotional tone.

A formal letter should be short and to-the-point, with no unnecessary information included. The informal letter, on the other hand, can be longer. Formal letters are written to business connections such as partners, suppliers, customers, clients, and others, as well as to colleges or institutes, employers, and professionals. We, on the other hand, write informal letters to friends, families, and acquaintances.

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