A register of its own
Chat sits between email and speech. It keeps the polite verb endings that mark workplace Japanese and drops the ceremonial apparatus that email carries: the seasonal opening, the formal closing, the layered humble forms.
Learners tend to miss in one of two directions. Writing an email opening into a chat window is stiff; importing the abbreviations and dropped particles of personal messaging is too casual for a work channel.
| Element | Chat | |
|---|---|---|
| Opening greeting | Always | Brief or none |
| Polite endings | Yes | Yes |
| Seasonal phrases | Sometimes | Never |
| Formal closing | Always | Rarely |
| Dropped particles | No | Occasionally |
| Reactions | No | Common |
The middle row is the one to hold on to. Polite endings stay in chat, which is what separates it from personal messaging.
Opening a message
Within a team, chat messages usually open with a brief greeting or with nothing at all. The full email opening is out of place, and repeating a greeting on every message in an ongoing thread is unnecessary.
With an external party in a shared channel, the register lifts and the standard business greeting reappears.
| Japanese | Romaji | Meaning |
|---|---|---|
| お疲れさまです。 | Otsukaresama desu. | The standard internal opener |
| おはようございます。 | Ohayō gozaimasu. | First message of the day |
| ご確認お願いします。 | Gokakunin onegai shimasu. | Please check this. |
| いつもお世話になっております。 | Itsumo osewa ni natte orimasu. | For external parties |
| 連投失礼します。 | Rentō shitsurei shimasu. | Excuse the multiple messages. |
| 取り急ぎご共有まで。 | Toriisogi gokyōyū made. | Sharing this quickly for now. |
One message, not five
The habit that reads worst in a Japanese work channel is sending a thought across several messages, one line at a time. Each one notifies everybody, and the result is read as thoughtless rather than conversational.
Compose the whole message and send it once, using line breaks within the message where structure helps.
- Write the complete message before sending anything.
- Use line breaks inside one message rather than separate messages.
- Put the request or question first, then the detail.
- Say who it is for if the channel has many people.
- Avoid sending a greeting and then waiting before saying what you want.
Mentions and who is being addressed
In a busy channel, saying who a message is for is a courtesy that saves everyone else reading it carefully. Mentions are used for this and are generally welcomed rather than resented.
Mentioning everyone in a channel is treated more seriously than in some workplaces, and is usually reserved for things that genuinely affect the whole group.
| Japanese | Romaji | Meaning |
|---|---|---|
| 田中さん、ご確認いただけますか。 | Tanaka-san, gokakunin itadakemasu ka. | Tanaka, could you check this? |
| みなさま、ご共有です。 | Minasama, gokyōyū desu. | Everyone, sharing this. |
| ご担当の方、お願いいたします。 | Gotantō no kata, onegai itashimasu. | Whoever is responsible, please. |
| 急ぎではありません。 | Isogi de wa arimasen. | This is not urgent. |
| お手すきの際にお願いします。 | Otesuki no sai ni onegai shimasu. | Whenever you have a moment. |
| ご対応ありがとうございます。 | Gotaiō arigatō gozaimasu. | Thank you for handling it. |
Marking a message as not urgent is a genuine courtesy in a culture where a request can otherwise be treated as immediate.
Acknowledging without replying
Reactions are widely used in Japanese workplaces to acknowledge a message without adding another message to the channel. Reacting to a request signals that you have seen it, which is often all that is needed.
Where a short reply is warranted, chat has its own set of very brief acknowledgements that would be too curt in email.
| Japanese | Romaji | Meaning |
|---|---|---|
| 承知しました。 | Shōchi shimashita. | Understood. |
| 了解です。 | Ryōkai desu. | Got it. (casual; check your workplace) |
| 確認します。 | Kakunin shimasu. | I will check. |
| あとで対応します。 | Ato de taiō shimasu. | I will deal with it later. |
| ありがとうございます。 | Arigatō gozaimasu. | Thank you. |
| すみません、見落としていました。 | Sumimasen, miotoshite imashita. | Sorry, I missed that. |
When to leave chat
Chat is poor for anything long, anything that needs a record, and anything that has become tense. Recognising when to move is part of using it well.
Saying explicitly that you will move the discussion elsewhere is normal and prevents a thread sprawling.
| Japanese | Romaji | Meaning |
|---|---|---|
| 長くなるので、メールで送ります。 | Nagaku naru node, mēru de okurimasu. | This will be long, so I will email it. |
| 一度お電話してもよろしいですか。 | Ichido odenwa shite mo yoroshii desu ka. | May I call you about this? |
| 別途、打ち合わせをしましょう。 | Beppo, uchiawase o shimashō. | Let us have a separate meeting. |
| この件は別のスレッドで。 | Kono ken wa betsu no sureddo de. | Let us take this to another thread. |
| 記録として残しておきます。 | Kiroku to shite nokoshite okimasu. | I will keep this as a record. |
| あとでまとめて共有します。 | Ato de matomete kyōyū shimasu. | I will share a summary later. |
Anything that would take more than a few exchanges usually belongs in a call or a document. Moving it early saves the thread.