German Email and Message Register: Choosing Sie or du in Writing
Learn to pick formal or informal German in emails and chats, using correct greetings, pronouns, and closings that differ from spoken German.

German writing forces a choice that spoken German often softens: formal Sie or informal du. In emails and messages, this choice controls greetings, pronouns, verb forms, and closings. This lesson teaches you to recognize the register of a written message and reply appropriately, so you sound professional in business mail and natural in private chats.
By the end, you can…
- choose between formal and informal greetings and closings in German emails and messages.
- adjust pronouns and verb forms correctly when switching between Sie and du in writing.
Listen once. Try it slowly. Then say it without looking.
Checking available voices…
Sehr geehrte Frau Müller,
Dear Ms. Müller,
zair guh-AIR-tuh frow MUELL-er
Standard formal opening when you know the recipient's last name; use a comma and continue on a new line with lowercase unless a noun.
Hallo Frau Müller,
Hello Ms. Müller,
HAH-loh frow MUELL-er
Semi-formal and very common in modern workplace email; keeps the last name but is less stiff than Sehr geehrte.
Hi Thomas,
Hi Thomas,
hai TOH-mahs
Informal opening for colleagues, friends, or acquaintances you address with du; common in chats and internal messages.
Mit freundlichen Grüßen
Kind regards
mit FROYNT-likh-en GRUE-sen
Standard formal closing; no comma after it, and your name goes on the next line. Often abbreviated MfG in casual business contexts.
Liebe Grüße
Best wishes
LEE-buh GRUE-suh
Informal closing for friends, family, and close colleagues; can also be used in friendly team chats.
Pronunciation guides are approximate. Slow playback keeps the original pitch.
Make it make sense
Useful pattern
Formal writing uses Sie with the verb in the plural form: 'Können Sie mir bitte die Datei senden?' Informal writing uses du with the verb in the du-form: 'Kannst du mir bitte die Datei senden?' The pronoun stays capitalized as Sie in formal letters and emails, while du is normally lowercase in modern standard German. Greetings and closings must match: Sehr geehrte Frau Müller pairs with Mit freundlichen Grüßen, while Hallo Thomas pairs with Liebe Grüße or Viele Grüße.
When to use it
Use formal Sie for first contact, authorities, customers, and anyone whose last name you use. Use informal du when the other person has offered du, when you are in a private chat, or when a team has agreed on du. In writing, you cannot rely on tone of voice, so the greeting and closing carry the register. If unsure, start formal: 'Sehr geehrte Frau Schmidt, ... Mit freundlichen Grüßen'. You can switch later if the other person writes 'Hallo' and uses your first name.
Listen to each line, then take one part and reply out loud.
Sehr geehrter Herr Weber, könnten Sie mir bitte die Unterlagen bis Freitag senden?
Dear Mr. Weber, could you please send me the documents by Friday?zair guh-AIR-ter hair VAY-ber, KUEN-ten zee meer BIT-tuh dee OON-ter-lah-gen bis FRY-tahk ZEN-denGuten Tag Frau Klein, ja, das mache ich gern. Mit freundlichen Grüßen, Weber
Good day Ms. Klein, yes, I'll gladly do that. Kind regards, WeberGOO-ten tahk frow klain, yah, dahs MAH-khuh ikh gairn. mit FROYNT-likh-en GRUE-sen, VAY-berHi Jonas, hast du kurz Zeit? Ich brauche deine Hilfe bei der Präsentation.
Hi Jonas, do you have a moment? I need your help with the presentation.hai YOH-nahs, hahst doo koorts tsait? ikh BROW-khuh DAI-nuh HIL-fuh bye dair pray-zen-tah-TSYOHNKlar, schick mir einfach die Datei. Liebe Grüße, Jonas
Sure, just send me the file. Best wishes, Jonasklahr, shik meer AIN-fakh dee dah-TAI. LEE-buh GRUE-suh, YOH-nahsA little context goes a long way
German workplace writing often moves faster to first names and du than in the past, especially in tech and startups, but many offices, authorities, and older customers still expect Sie and last names. Observe how the other person writes and mirror it; switching from Sie to du in writing is usually initiated by the higher-status or older person, often with an explicit offer like 'Wir können uns gern duzen.'
One thing to watch for
Mixing registers by writing 'Hallo Herr Weber, kannst du mir bitte helfen?'
Try this instead: Match greeting, pronoun, and verb form. Formal: 'Sehr geehrter Herr Weber, können Sie mir bitte helfen?' Informal: 'Hallo Jonas, kannst du mir bitte helfen?' Use the last name with Sie, the first name with du.
Your turn
Try answering out loud before checking a possible answer.
1You are writing to a new customer whose last name is Schneider. Which opening and closing fit best?
Show a sample answer
Sehr geehrte Frau Schneider, ... Mit freundlichen Grüßen
First contact with a customer calls for formal Sie and the last name. If the customer later writes informally, you may adapt, but starting formal is safe.
2Rewrite formally: 'Hi, kannst du mir die Rechnung schicken?'
Show a sample answer
Sehr geehrte Damen und Herren, könnten Sie mir bitte die Rechnung schicken?
This replaces the informal greeting, du, and kannst with formal Sie and könnten. If you know the name, use Sehr geehrte Frau/Herr plus last name instead.
3Your colleague writes: 'Hallo Anna, kannst du das übernehmen?' How should you reply in the same register?
Show a sample answer
Hallo [first name], ja, das übernehme ich gern. Liebe Grüße
Mirror the informal du and first-name greeting, and close with an informal formula. Viele Grüße would also work in a neutral-friendly team context.
In German writing, register is a package: greeting, pronoun, verb form, and closing must all agree. When in doubt, start with Sie and switch only when the other person clearly offers du.
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