Quick Guide: Understanding Japanese Business Emails

Learn how to write and respond to Japanese business emails with proper etiquette, tone, and structure. A must-read for Filipinos working or communicating with Japanese professionals.

Nov 8, 2025 - 18:35
Nov 8, 2025 - 14:09
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Quick Guide: Understanding Japanese Business Emails

 

Why Business Emails Matter in Japan

In Japan, emails are not just a form of communication—they represent respect, professionalism, and social hierarchy. Every word, greeting, and closing phrase reflects the writer’s awareness of keigo (敬語), or polite language. For many Filipinos working in Japan, mastering this form of communication builds trust and creates smoother professional relationships.

 

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The Structure of a Japanese Business Email

Japanese business emails follow a specific structure: greeting, purpose, details, and closing.

  • Greeting: Start with a polite opening such as “いつもお世話になっております” (Itsumo osewa ni natte orimasu – Thank you for your continued support).
  • Purpose: State clearly why you’re writing.
  • Details: Provide concise, organized information.
  • Closing: End with gratitude and a respectful farewell like “何卒よろしくお願いいたします” (Nani tozo yoroshiku onegai itashimasu – Thank you for your kind cooperation).

This structure shows order, discipline, and professionalism—values highly respected in Japanese business culture.

 

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Using Keigo (Polite Language)

The most challenging aspect of Japanese emails is keigo, or honorific language. It has three types:

  • Sonkeigo (尊敬語) – Respectful language used for superiors or clients.
  • Kenjougo (謙譲語) – Humble language when referring to oneself or one’s company.
  • Teineigo (丁寧語) – Polite language used in general.

Filipinos often find keigo difficult because it doesn’t exist in Tagalog or English. However, learning key phrases can make a huge difference. For example:

  • “ご確認いただけますと幸いです。” (Go kakunin itadakemasu to saiwai desu – I would appreciate it if you could confirm.)
  • “お手数をおかけいたしますが…” (Otesuu o okake itashimasu ga – Sorry for the trouble, but...).

 

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Tone and Formality

The tone of Japanese business emails should always remain polite and neutral. Avoid overly casual expressions or emojis unless you have an established relationship. Even when declining a request, always maintain formality. For example:

  • Instead of saying “無理です” (Muri desu – It’s impossible), say “申し訳ございませんが、対応が難しい状況です。” (Moushiwake gozaimasen ga, taiou ga muzukashii joukyou desu – I’m very sorry, but it’s difficult to accommodate).

This polite tone preserves harmony (wa, 和) and prevents misunderstandings.

 

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Common Mistakes by Foreigners

Many foreigners, including Filipinos, make small but impactful mistakes when writing Japanese business emails:

  • Forgetting greetings or closings.
  • Writing too directly (considered rude in Japan).
  • Mixing English and Japanese incorrectly.
  • Using casual phrases like “ありがとう” (arigatou) instead of the formal “ありがとうございます” (arigatou gozaimasu).

Understanding and avoiding these errors helps build professionalism and credibility.

 

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Helpful Phrases for Daily Use

Here are some useful expressions:

  • “ご連絡ありがとうございます。” (Go renraku arigatou gozaimasu – Thank you for your message.)
  • “承知いたしました。” (Shouchi itashimashita – Understood.)
  • “よろしくお願いいたします。” (Yoroshiku onegai itashimasu – Thank you in advance.)
  • “ご確認ください。” (Go kakunin kudasai – Please check.)

Using these phrases regularly helps Filipinos sound more natural and professional in business communication.

 

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Building Trust Through Words

Mastering Japanese business emails goes beyond grammar—it’s about respect and trust. For Filipinos living or working in Japan, every well-written email becomes a bridge between two cultures. It shows diligence, humility, and an effort to connect with Japanese colleagues on their terms.

 


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DKmm Watanabe DKmm Watanabe is a full-stack web developer and an IT professor at フォーラム情報アカデミー専門学校 (Forum Information Academy Vocational School) in Niigata City. Passionate about technology and creativity, he enjoys traveling, writing, connecting with new people, and savoring a refreshing Chūhai (チューハイ). Explore his projects and portfolio online at www.derusan.com.