How to Write a Letter in French Start to Finish

Writing a letter in French sounds charming and classy right up until you have to decide whether to open with Cher Monsieur, Bonjour, or something terrifyingly formal that looks like it escaped from the 19th century.

The good news: French letters follow clear patterns. Once you know the usual opening, a few body phrases, and the right closing formula, the whole thing becomes much less dramatic. By the end of this guide, you’ll know how to start, structure, and end a letter in French for both informal and formal situations.

If you want more French writing help after this, you can also read how to write an email in French and how to write the date in French. For a bigger overview, visit Learn French.

When To Use A Letter In French

These days, many everyday messages are emails or texts, but letters still matter in French for:

• formal requests
• complaints
• job-related communication
• administrative situations
• thank-you notes
• holiday cards
• personal letters to friends or family

The main thing to understand is this: French has a much stronger formal vs informal split than English. A letter to a friend and a letter to a landlord should not sound remotely like twins.

In French, the tone matters almost as much as the content. A perfectly correct sentence can still sound wrong if it is too casual for the situation.

The Basic Structure Of A French Letter

Most French letters follow this simple order:

• your address or contact details
• the date and place
• the recipient
• the greeting
• the opening line
• the main message
• the closing line
• the sign-off formula
• your name or signature

For personal letters, you can relax a bit. For formal letters, the format should be neat and polite. French loves a proper formula. It really does.

How To Start A Letter In French

Your greeting depends on who you are writing to. This is the first big choice.

Informal Openings

In an informal letter, after the greeting, you usually jump into a warm opening line. You do not need a giant ceremonial introduction unless you are auditioning to become a Victorian pen pal.

Formal Openings

Madame, Monsieur, is the safest option for formal letters when you do not know the name of the person reading it.

Useful First Sentences For The Opening Paragraph

After the greeting, French letters usually begin with a sentence that states why you are writing. Keep it clear and polite.

Notice the difference between tu and vous. Informal letters use tu with friends and family. Formal letters almost always use vous. If you mix them, the letter will feel off.

How To Write The Body Of A French Letter

The body is where you explain your message. French letters often sound a little more structured than English ones, especially in formal writing. Short, clear paragraphs work best.

Here are the most useful phrases for building the middle of your letter.

Useful Phrases For Informal Letters

Useful Phrases For Formal Letters

A Simple Model For The Main Paragraphs

If you are not sure how to organize your letter, use this easy pattern:

• Paragraph 1: why you are writing
• Paragraph 2: details, explanation, or request
• Paragraph 3: thanks, next steps, or final personal note

That structure works for most letters, whether you are writing to a friend, a school, a company, or an office that still believes paper is the highest form of civilization.

How To End A Letter In French

This is where French gets especially formula-heavy. English can end with “Best regards” and move on. French often prefers a full closing phrase before the final sign-off.

Informal Ways To End A Letter

Formal Ways To End A Letter

If you are writing a modern business letter or formal email-style letter, Cordialement or Bien cordialement is often enough. For official complaints, applications, or administrative documents, the longer formulas still appear a lot.

Full Example Of An Informal French Letter

Here is a simple personal letter model:

Chère Emma,

J’espère que tu vas bien. Merci pour ta dernière lettre. Ça m’a fait très plaisir d’avoir de tes nouvelles.

Je t’écris pour te raconter que j’ai déménagé à Lyon il y a deux semaines. La ville est très belle, et j’aime beaucoup mon nouveau quartier. Il y a un petit café juste en bas de chez moi, donc je vis maintenant comme une personne très sérieuse qui boit trop de café.

J’aimerais bien savoir si tu peux venir me voir cet été. Nous pourrions visiter la ville ensemble.

Donne-moi de tes nouvelles quand tu auras le temps.

Je t’embrasse,
Claire

English version:

Dear Emma,

I hope you’re well. Thank you for your last letter. I was very happy to get your news.

I’m writing to tell you that I moved to Lyon two weeks ago. The city is very beautiful, and I really like my new neighborhood. There is a little café just below my apartment, so I now live like a very serious person who drinks too much coffee.

I’d really like to know whether you can come visit me this summer. We could visit the city together.

Send me some news when you have time.

Hugs and kisses,
Claire

Full Example Of A Formal French Letter

Now a more formal model:

Madame, Monsieur,

Je vous écris afin de demander des renseignements concernant votre cours de français du soir.

Je souhaiterais connaître les horaires des cours, les tarifs, ainsi que les modalités d’inscription. Je serais également reconnaissant de bien vouloir m’indiquer si ce programme est adapté aux débutants.

Je vous remercie par avance de l’attention portée à ma demande et reste à votre disposition pour tout renseignement complémentaire.

Veuillez agréer, Madame, Monsieur, l’expression de mes salutations distinguées.

David Brown

English version:

Dear Sir or Madam,

I am writing to request information regarding your evening French course.

I would like to know the class schedule, the fees, and the registration procedures. I would also be grateful if you could indicate whether this program is suitable for beginners.

Thank you in advance for the attention given to my request, and I remain at your disposal for any additional information.

Please accept, Sir or Madam, the expression of my distinguished regards.

David Brown

Common Mistakes English Speakers Make

• Using “Bonjour” as the only greeting in a formal letter: possible in some modern contexts, but Madame, Monsieur, or Madame, Monsieur is usually better.
• Mixing tu and vous: pick one level of formality and stick to it.
• Ending a formal letter with “À bientôt”: that is too casual unless you genuinely know the person well.
• Writing ultra-short English-style closings: French often prefers a more complete formula in formal writing.
• Forgetting gender agreement: reconnaissant becomes reconnaissante if the writer is female.
• Translating word for word from English: French letter writing has its own conventions, so direct translation can sound awkward.

Quick Reference Table

Mini Practice

Choose the best phrase for each situation:

• You are writing to your cousin: Salut Léa, or Madame, Monsieur,?
• You are requesting information from a school: Je vous écris pour… or Donne-moi de tes nouvelles?
• You are ending a complaint letter: Veuillez agréer… or Grosses bises?

Answers: Salut Léa, Je vous écris pour…, and definitely Veuillez agréer…. Unless you want your complaint letter to become unexpectedly affectionate.

Related French Writing Help

If you want to keep practicing, try the French placement test to see your level, or check your word power with the French vocabulary test.

You can also continue with how to write an email in French or revisit writing a letter in French for more practice.

Yak Takeaway

To write a letter in French, think in three steps: choose the right greeting, keep the body clear and polite, and end with a closing that matches the situation. Friendly letters can sound warm and natural. Formal letters need a little ceremony. Not too much, but enough to keep French happy.

Once you memorize a few opening and closing formulas, the rest gets much easier. French letter writing is less about inventing magic and more about using the right template with confidence.