The Japanese word 転送 (てんそう - tensou) is a highly functional noun that transforms into a verb when paired with 'suru.' Its primary meaning is the act of forwarding or transferring something from one point to another, specifically when that 'something' has already reached an intermediate destination. Unlike simple sending (送信 - soushin), 転送 implies a relay. Imagine a baton being passed in a race; the baton was already moving, and now it is being directed to the next runner. This nuance is critical for understanding its application in modern Japanese society.
- Digital Context
- In the realm of IT and daily communication, 転送 is the standard term for 'forwarding' an email. If you receive a message from a client and need your boss to see it, you click the button labeled 転送. It also applies to data packets in networking and the redirection of server requests.
Beyond the digital screen, 転送 is a pillar of the Japanese postal and telecommunications systems. When a person moves to a new apartment in Japan, they visit the post office to fill out a 'tenkyo todoke' (change of address notice). This triggers the tensou saabisu (forwarding service), where all mail addressed to the old residence is physically redirected to the new one for a period of one year. This physical movement of paper and parcels perfectly encapsulates the 'transfer' aspect of the word.
「外出中ですので、私の携帯電話にメールを転送してください。」 (Since I am out, please forward the email to my mobile phone.)
- Telephony
- In a business office, when a receptionist takes a call intended for a manager, they use the 'tensou' function on the landline to 'patch' or 'transfer' the call to the manager's extension. This is a common daily occurrence in Japanese corporate culture.
Furthermore, the word is used in logistics and shipping. When a package cannot be delivered to the primary address and is sent to a local pickup point or a secondary warehouse, the process is described as 転送. It implies a change in the planned route. This word is essential for anyone living in Japan or working in a Japanese-speaking office because it covers the movement of information, physical goods, and even real-time voice communication. It is a 'utility' word that bridges the gap between old-school physical mail and high-tech data transfer.
「古い住所に届いた手紙が新しい住所に転送されました。」 (The letter that arrived at the old address was forwarded to the new address.)
In technical settings, such as computer science, 転送 rate (tensou reeto) refers to the 'transfer rate' or bandwidth of data. You might hear engineers discussing how many megabits per second are being 転送-ed across a network. This versatility makes it a B2-level word; while a beginner knows 'to send' (okuru), an intermediate learner must master the specific nuance of 'redirecting' or 'forwarding' to navigate professional and administrative environments effectively.
「データの転送には数分かかります。」 (The data transfer will take a few minutes.)
- Social Nuance
- In Japanese social media, forwarding a message or a post (like a 'retweet' or 'sharing') can sometimes be called 転送, though platform-specific terms like シェア (share) or リポスト (repost) are more common. However, in private messaging apps like LINE, 'forwarding' a message to another chat is strictly 転送.
To summarize, 転送 is the go-to term for redirection. Whether it is a physical parcel, a phone call, a professional email, or digital data packets, if the item is moving from an intermediate point to a new target, 転送 is the word you need. It signifies efficiency and the flow of information through a system, making it a cornerstone of business Japanese.
Using 転送 correctly requires understanding its role as a 'suru-verb' (noun + suru). This means it functions as a noun in its base form but acts as an action when combined with the auxiliary verb. In most sentences, the object being forwarded is marked with the particle 'o' (を), and the destination is marked with 'ni' (に). This structure is consistent across email, phone, and mail contexts.
- Standard Verb Usage
- [Object] を [Destination] に 転送する. For example: 'メールを同僚に転送する' (Forward the email to a colleague). This is the most common pattern you will use in an office.
In business Japanese, 転送 is often used in the humble or polite form to show respect to the recipient or the person who sent the original message. If you are telling a client you will forward their request to the technical team, you would say, '担当部署に転送いたします' (I will forward this to the department in charge). The use of 'itasu' makes the action sound professional and reliable.
「この資料をスキャンして、本社のサーバーに転送しておいてください。」 (Please scan these documents and forward them to the head office server.)
Another important usage is the passive form: tensou sareru (to be forwarded). This is used frequently when discussing automated processes or things happening to you. For instance, '手紙が新しい住所に転送される' (The letter is forwarded to the new address). This passive structure focuses on the item being moved rather than the person doing the moving, which is common in formal reporting.
- Noun Compounds
- 転送 can be combined with other nouns to create specific terms. 転送電話 (tensou denwa) means 'call forwarding.' 転送設定 (tensou settei) means 'forwarding settings' in a software menu. 転送量 (tensouryou) refers to the 'amount of data transferred.'
In the context of technology, the word is often used with 'saki' (destination) to form 'tensou-saki.' This refers to the 'forwarding address' or 'forwarding destination.' For example, '転送先を指定してください' (Please specify the forwarding destination). This is common in web forms and database management. Understanding this compound is vital for navigating Japanese software interfaces.
「間違えて届いたメールを、本来の宛先に転送しました。」 (I forwarded the email that was sent to me by mistake to its original intended recipient.)
When dealing with physical mail, the phrase '転送不可' (tensou fuka) is extremely important. It means 'Non-forwardable.' You will often see this on envelopes containing credit cards, bank statements, or official government documents. It signifies that the post office is prohibited from forwarding the mail to a new address, even if a forwarding request is on file, usually for security and identity verification reasons. This is a critical term for residents in Japan to recognize.
- Causative Usage
- 転送させる (tensou saseru) means 'to make/let someone forward something.' For example, 'システムに自動でメールを転送させる' (Make the system automatically forward emails). This is useful when discussing automation and programming logic.
Finally, consider the nuances of 'tensou' vs. 'soushin.' 'Soushin' is the general act of sending. 'Tensou' is the specific act of passing on something you received. If you write an original email, you 'soushin' it. If you receive an email and send it to someone else, you 'tensou' it. Mastering this distinction will make your Japanese sound much more natural and precise in a professional setting.
You will hear 転送 in a variety of real-world scenarios in Japan, ranging from the mundane to the highly technical. The most common place is likely the modern Japanese office (office-gai). In a typical 'kaisha' (company), the sound of phones ringing is often followed by the phrase, 'Tantousha ni tensou itashimasu' (I will transfer you to the person in charge). This is the verbal signal that your call is being moved from the reception desk to a specific department. It is an essential part of business etiquette and daily flow.
- Post Office (Yubinkyoku)
- When you visit a Japan Post office to handle a move, the clerk will use the word 転送 repeatedly. They will explain the 'tensou kikan' (forwarding period) and how your 'hagaki' (postcards) and 'tegami' (letters) will be handled. You might hear: 'Ichinen-kan wa muryou de tensou saremasu' (It will be forwarded for free for one year).
In the tech world, during meetings about system architecture or website development, engineers will frequently use 転送. They might discuss 'data tensou sokudo' (data transfer speed) or 'fairu tensou' (file transfer). If you are using an FTP (File Transfer Protocol) client in Japanese, the main action button will likely be labeled 転送. It is the standard terminology for moving digital bits from a local machine to a remote server.
「サーバーの負荷が高いため、データの転送が遅れています。」 (The data transfer is delayed because the server load is high.)
In the context of customer service, if you call a support hotline, you might hear an automated voice saying, 'O-tsunagi shimasu' (Connecting you) or 'Tantou madoguchi ni tensou shimasu' (Transferring you to the appropriate window). This use of 転送 indicates the internal routing of your call. It is a word that signifies the 'behind-the-scenes' movement of your request through a corporate hierarchy.
- News and Media
- While less common in general news, you will hear 転送 in reports about cybersecurity. For example, stories about 'fusei tensou' (unauthorized transfer/forwarding) of personal information or funds are frequent. In this context, the word takes on a more serious, sometimes legal tone.
Another place you'll encounter 転送 is in the settings of smartphone apps. Whether you are setting up automatic forwarding for your SMS messages or configuring your work email on a new device, the 'Forwarding' menu is always labeled 転送. It is a word that you see more than you hear in the digital age, yet its verbal use remains a staple of professional politeness. Mastering the sound of 'tensou' helps you identify when your call is being handled or when a colleague is passing you information.
「この電話を営業部に転送しますので、少々お待ちください。」 (I will transfer this call to the sales department, so please wait a moment.)
In summary, 転送 is ubiquitous. It’s in the quiet offices of Marunouchi, the busy post offices of Shibuya, and the codebases of Akihabara tech firms. It is the invisible thread that moves information and items across Japan's highly organized infrastructure. Hearing it usually means something is moving from point B to point C, and being aware of this helps you stay 'in the loop' in any Japanese environment.
Learning to use 転送 correctly involves navigating a minefield of similar-sounding words and related concepts. One of the most common mistakes for English speakers is using 転送 when they simply mean 'to send' (送信 - soushin or 送る - okuru). Remember: 転送 requires an intermediate step. If you are the original creator of a message, you are not 'forwarding' it; you are 'sending' it. Using 転送 in this case would confuse the listener, making them think you are passing on someone else's message.
- Confusion with 輸送 (Yusou)
- Many learners confuse 転送 (tensou) with 輸送 (yusou). 輸送 refers to the 'transportation' of goods, usually on a large scale via trucks, ships, or planes. While 転送 can involve physical mail, it specifically means 'redirecting' it. If you say you are 'tensou-ing' a shipping container, it sounds like you are forwarding a single small item rather than transporting bulk goods.
Another frequent error is confusing 転送 with itenn (移転). 移転 means to move or relocate an entire office or a residence. If you say 'I tensou-ed to Tokyo,' it sounds like you were 'forwarded' like a piece of mail. The correct term for moving house is hikkoshi or iten for a business. 転送 is the service that follows you after you move, not the act of moving yourself.
Incorrect: 「新しい家に転送しました。」 (I forwarded to my new house - sounds like you mailed yourself.)
Correct: 「新しい家に引っ越しました。」 (I moved to a new house.)
- Particle Errors
- Learners often struggle with the particles 'ni' and 'e.' While both can indicate direction, 'ni' (に) is more common with 転送 to specify the exact target or recipient. Using 'de' (at/in) is a common mistake; you don't forward 'in' an address, you forward 'to' an address. Ensure you use 'Object を Target に 転送する.'
In technical contexts, don't confuse 転送 with henkan (変換 - conversion). If you are changing a file format (e.g., PDF to Word) and then sending it, the change is 'henkan,' and the sending is 'soushin.' Only if you are passing the file along as-is to another destination does 'tensou' apply. Precision in these technical terms is what separates B2 learners from beginners.
Incorrect: 「電話を送信してください。」 (Please 'send' the phone call - nonsensical.)
Correct: 「電話を転送してください。」 (Please 'transfer' the phone call.)
Finally, be careful with the 'kanji.' 転 (turn) and 伝 (transmit) look very similar. 伝送 (densou) exists and means 'transmission' (usually of electrical signals or data), but 転送 is much more common for general forwarding. If you write 伝送 when you mean 転送, people might still understand you in a technical context, but it will look like a spelling error in a business email. Always double-check that you have the 'kuruma-hen' (car radical) in 転!
To truly master 転送, you must know its 'neighbors'—words that share similar meanings but are used in different contexts. Japanese is a language of high precision, and choosing the right word for 'sending' or 'moving' something depends on the object, the method, and the formality of the situation.
- 転送 (Tensou) vs. 転送 (Tensou - Wait, what?)
- Actually, let's look at 転送 vs. 配送 (Haisou). 配送 is specifically 'delivery.' It is what a courier like Yamato Transport or Amazon does when they bring a box to your door. 転送 is 'forwarding' that box if you aren't there. Haisou is the primary delivery; Tensou is the secondary redirection.
Another close relative is 回送 (Kaisou). You will see this on buses and trains. When a bus is 'Not in Service' and is returning to the depot, the display says 回送. It means 'out-of-service transfer.' You wouldn't use 転送 for a bus, and you wouldn't use 回送 for an email. Understanding these domain-specific 'transfer' words is key.
「メールの転送」 (Forwarding an email)
「荷物の配送」 (Delivery of a package)
「バスの回送」 (Bus out of service/returning to depot)
- 送付 (Soufu) and 送信 (Soushin)
- 送付 (soufu) is a formal way to say 'sending' documents or materials. It is often used in business letters: '資料を送付いたします' (I am sending the materials). 送信 (soushin) is the technical act of 'transmitting' or 'sending' an electronic message. Neither implies 'forwarding' like 転送 does.
In the world of money, you use 送金 (Soukin) for 'remittance' or 'sending money.' If you are forwarding money that was sent to you, you might still use 転送 in a technical sense (like a bank transfer redirection), but 送金 is the standard term for the act of sending funds. Similarly, 運送 (Unsou) is used for the transport of physical freight. If you are talking about the logistics industry as a whole, you talk about the 運送業界 (unsou gyoukai).
Comparison Chart:
- 転送: Forwarding/Redirection (Email, Phone, Mail)
- 輸送: Transportation (Large scale, cargo)
- 配送: Delivery (Courier to customer)
- 送信: Sending (Digital messages)
- 送付: Sending (Formal documents)
Lastly, consider 移送 (Isou). This word is often used in medical or legal contexts, such as 'transferring' a patient to another hospital or 'transporting' a prisoner. It carries a much heavier, more official weight than 転送. By learning these distinctions, you can avoid the 'one-word-fits-all' trap and speak Japanese with the nuance of a native speaker. Always ask yourself: 'Am I just sending it, or am I redirecting something that already exists?' If the latter, 転送 is your best friend.
Examples by Level
このメールを転送してください。
Please forward this email.
Uses 'kudasai' for a polite request.
写真を友達に転送します。
I will forward the photo to my friend.
Uses the particle 'ni' to show the recipient.
メールを転送しましたか?
Did you forward the email?
Past tense 'shimashita' with question particle 'ka'.
はい、転送しました。
Yes, I forwarded it.
Simple past tense response.
転送ボタンはどこですか?
Where is the forward button?
Uses 'doko desu ka' to ask for location.
お母さんにメッセージを転送します。
I will forward the message to my mother.
Recipient 'okaasan' marked with 'ni'.
このビデオを転送してもいいですか?
May I forward this video?
Uses '-te mo ii desu ka' for permission.
あとで転送しますね。
I'll forward it later, okay?
Uses 'ne' to confirm with the listener.
郵便局で転送の手続きをしました。
I did the forwarding procedures at the post office.
Uses 'no' to link 'tensou' and 'tetsuzuki' (procedure).
新しい住所に手紙を転送してください。
Please forward the letters to the new address.
Destination 'atarashii juusho' marked with 'ni'.
電話を部長に転送します。
I will transfer the call to the manager.
Context of transferring a phone call.
大切なメールなので、転送しておきます。
It's an important email, so I'll forward it (for future use).
Uses '-te okimasu' to show preparation.
この資料をスキャンして転送してください。
Please scan these materials and forward them.
Connects two actions with the '-te' form.
自動でメールが転送される設定です。
It is a setting where emails are forwarded automatically.
Uses the passive 'tensou sareru'.
転送先のアドレスを教えてください。
Please tell me the forwarding address.
Uses 'tensou-saki' as a compound noun.
間違えて届いたので、転送しました。
It arrived by mistake, so I forwarded it.
Uses 'node' to show reason.
担当者に転送いたしますので、少々お待ちください。
I will forward you to the person in charge, so please wait a moment.
Humble form 'itashimasu' for business.
外出中のため、会社への電話を携帯に転送しています。
Since I'm out, I'm forwarding calls to the office to my mobile.
Uses '-te imasu' to show an ongoing state/setting.
この設定で、受信メールがすべて上司に転送されます。
With this setting, all received emails will be forwarded to the boss.
Passive form 'sareru' used for system behavior.
データの転送に時間がかかっています。
The data transfer is taking a long time.
Noun usage 'tensou ni' followed by a verb phrase.
郵便物の転送期間は一年間です。
The forwarding period for mail is one year.
Compound noun 'tensou kikan'.
ファイルをサーバーに転送しておいていただけますか?
Could you please forward the file to the server for me?
Polite request '-te itadakemasu ka'.
お客様からの問い合わせをサポートチームに転送しました。
I forwarded the inquiry from the customer to the support team.
Professional context: inquiry handling.
転送不可と書かれた手紙が届きました。
A letter arrived with 'Non-forwardable' written on it.
Uses 'to kakareta' to describe the noun.
セキュリティ上の理由から、このメールの転送は禁止されています。
For security reasons, forwarding this email is prohibited.
Formal phrase 'kinshi sarete imasu'.
サーバー間のデータ転送速度を改善する必要があります。
We need to improve the data transfer speed between servers.
Compound noun 'tensou sokudo'.
引越し後は、旧住所宛ての郵便物が自動的に転送されます。
After moving, mail addressed to the old address is automatically forwarded.
Uses 'kyuu-juusho ate' (addressed to old address).
この通話を録音し、関係部署に転送させていただきます。
We will record this call and take the liberty of forwarding it to the relevant departments.
Very formal humble form 'sasete itadakimasu'.
大量の画像データを転送する際は、圧縮したほうがいいです。
When transferring large amounts of image data, it's better to compress them.
Conditional 'sai wa' (when/at the time of).
転送設定を誤ると、情報漏洩のリスクがあります。
If you make a mistake in the forwarding settings, there is a risk of information leakage.
Uses 'ayamaru' (to make a mistake) as a verb.
銀行からの重要書類は、原則として転送不可です。
As a rule, important documents from banks cannot be forwarded.
Formal phrase 'gensoku to shite' (as a rule).
リモートワーク中も、会社の電話をスムーズに転送できるよう設定しました。
I set it up so that office calls can be forwarded smoothly even during remote work.
Adverb 'sumuuzu ni' modifying the verb.
不正転送された資金の行方を追跡するのは非常に困難です。
It is extremely difficult to track the whereabouts of funds that have been transferred/forwarded illegally.
Uses 'fusei tensou sareta' as an adjective phrase.
パケット転送の最適化により、ネットワークの遅延が大幅に減少しました。
Through the optimization of packet forwarding, network latency has significantly decreased.
Technical terminology: 'paketto tensou'.
個人情報の第三者への転送には、本人の同意が不可欠です。
The consent of the individual is indispensable for the transfer of personal information to a third party.
Formal legalistic structure.
このプロトコルは、データの完全性を保ちながら高速転送を実現します。
This protocol achieves high-speed transfer while maintaining data integrity.
Uses 'nagara' to show simultaneous conditions.
転送されたメールのヘッダー情報を解析し、送信元を特定しました。
We analyzed the header information of the forwarded email and identified the sender.
Context of digital forensics.
物流システムの効率化を図るため、転送拠点の再配置を検討しています。
In order to improve the efficiency of the logistics system, we are considering the relocation of transfer hubs.
Compound noun 'tensou kyoten' (transfer hub).
電話転送サービスにかかるコストを、各部署の予算に割り当てます。
The costs incurred for the call forwarding service will be allocated to the budgets of each department.
Uses 'ni kakaru' to mean 'incurred for'.
著作権で保護されたコンテンツの無断転送は、法的に罰せられる可能性があります。
Unauthorized forwarding of copyrighted content may be legally punishable.
Formal legal warning: 'bas-serareru kanousei'.
情報の転送過程におけるノイズの混入を最小限に抑える技術が求められている。
Technology that minimizes the inclusion of noise in the information transfer process is required.
Uses 'katei ni okeru' (in the process of).
郵便転送制度の濫用を防ぐため、本人確認の厳格化が実施された。
To prevent the abuse of the mail forwarding system, stricter identity verification has been implemented.
High-level vocabulary: 'ran-you' (abuse) and 'genkaku-ka' (stricter).
データの転送量は、現代社会における経済活動の活発さを示す指標の一つである。
The volume of data transfer is one indicator that shows the vitality of economic activity in modern society.
Abstract academic statement.
国境を越えた情報の自由な転送は、グローバル経済の基盤となっている。
The free transfer of information across borders serves as the foundation of the global economy.
Uses 'kibann to natte iru' (serving as a foundation).
その論文は、知識の転送が組織のイノベーションに与える影響を論じている。
The paper discusses the impact that the transfer of knowledge has on organizational innovation.
Academic context: knowledge transfer.
転送されたパケットの整合性を検証するアルゴリズムを開発した。
We developed an algorithm to verify the integrity of the forwarded packets.
Technical/Scientific context.
通信インフラの脆弱性を突いた不正転送事件が、社会問題化している。
Cases of unauthorized transfer exploiting vulnerabilities in communication infrastructure are becoming a social issue.
Uses 'wo tsuita' (exploiting/hitting).
文化的な価値観の転送には、言語という媒体が不可欠な役割を果たす。
The medium of language plays an indispensable role in the transfer of cultural values.
Philosophical/Sociological usage.
Example
間違えて届いたメールを、正しい担当者に転送した。
Related Content
More communication words
について
A2about; concerning
宛先
B1The address or name of the recipient to whom mail or an email is sent.
番地
A2House number
賛同
B1Approval, endorsement; support or agreement with an idea.
~も
A2Too, also.
〜そして
A1And then; and (used to connect sentences or clauses).
〜や
A2And; and so forth (used to list examples, implying others exist).
たり
A2Indicates a non-exhaustive list of actions/states ('and so on').
お知らせ
B1Notice; an announcement or communication.
答え
A2A thing said, written, or done as a reaction to a question or statement.