How do I write a WhatsApp message in English without sounding rude?

Turn instructions into questions, send your greeting and your message together, and go carefully with full stops.

Your English is almost certainly not the problem. The politeness is, and it goes missing in translation without you noticing.

This is the most common thing I fix that nobody books coaching for. People worry about their English in meetings and presentations. Then they send a message that lands harder than they meant, and they never find out.

Why do my messages sound colder in English than in Spanish?

Because the two languages keep their politeness in different places.

Spanish holds a lot of it in the verb and in the choice between tú and usted. You can be perfectly polite to a colleague with "envíame el informe, por favor." The imperative is normal between peers, and por favor finishes the job.

English has no tú and usted. There is no formality built into the pronouns at all. So English loads politeness onto sentence structure instead, and the main move is turning the instruction into a question.

Translate that Spanish message straight across and you get "send me the report, please." The grammar is perfect. It still reads as an instruction from someone senior to someone junior, because the structure is a command and English has nothing else softening it.

Nothing was mistranslated. What went missing was politeness that Spanish was carrying somewhere English does not look.

How do I ask for something without sounding like an order?

Turn the instruction into a question.

"Could you send me the report?" is the standard version and it is always safe.

"Any chance you could send the report over?" is warmer and works well with people you know.

"When you get a chance, could you send the report?" removes the time pressure, which is often what makes a message feel sharp.

The rule underneath all three: in English, an imperative sounds like an order unless you are very close to the person. A question sounds like a request. Same meaning, completely different reception.

Should I start with a greeting?

Keep it short, and never send it on its own.

"Buenos días" opens a Spanish work message naturally. In English, "Hi Sarah" is enough, and often the message just starts with the point.

The bigger mistake is sending the greeting as a separate message and then typing. "Hi Sarah" arrives, she sees it, she stops what she is doing, and then she waits. In British and American work culture this is a well known irritation. It makes the other person wait for you.

Write the whole message. Then send it once.

The same goes for breaking one thought into five messages. Each one is a separate notification on someone's phone.

How do I chase someone without sounding aggressive?

Use a softener at the front and keep it short.

"Just following up on this."

"Any update on the contract?"

"Sorry to chase, but do you have a date for this yet?"

Avoid the direct translation of "sigo esperando." "I am still waiting for the report" is grammatically perfect and reads as a complaint in English.

One warning. "Just" and "sorry" are useful, but two or three in one message tips from polite into apologetic, and apologetic costs you authority. I wrote about that pattern in what sixteen years of marking Cambridge exams taught me about executive English.

How do I say no on WhatsApp in English?

Give the limit, then give the alternative.

"I won't get to this today, but I can do it first thing tomorrow."

"That timeline is tight for me. Could we say Thursday?"

"No es posible" translates to "it is not possible", which in English sounds final and slightly cold. English speakers expect a no to come with a route forward, even a small one.

Does punctuation really change the tone?

Yes, and this is the one that surprises people most.

In English messaging, a full stop after a very short reply reads as cold or annoyed. "Ok." and "Fine." land badly. "Ok" and "Sounds good" do not.

There is research behind this. A study in the journal Computers in Human Behavior asked readers to judge one word replies such as "Okay" and "Sure", with and without a full stop. The versions ending in a full stop were rated as less sincere. The same replies written by hand produced no such effect, which tells you this belongs to messaging rather than to punctuation in general.

Exclamation marks work differently on WhatsApp than in formal writing. In a work message they signal warmth, not excitement. "Thanks!" is neutral and friendly. "Thanks." can read as clipped.

One exclamation mark is normal. Three make you sound junior, which is the opposite of what most of my clients want.

When should this be an email instead?

Move to email when there is a decision, a number, or anything you may need to find again.

WhatsApp is for speed and coordination. Email is for record. If your message is longer than about four lines, or contains a figure that matters, or asks someone to agree to something, it belongs in an email where it can be searched, forwarded and referred back to.

Sending something important on WhatsApp is not rude. It is just easy to lose.

Is a voice note a safer option?

Not usually, and not for the reason you think.

Voice notes are normal in Spain. In British and American work culture they are read as asking the other person to spend two minutes listening to something they cannot skim, at a moment you chose rather than one they chose.

If you cannot find the words to write it, the answer is a phone call, not a voice note. A call is quicker for both of you and nobody has to decide when to listen.

Your questions, answered

Why does my correct English still sound rude on WhatsApp?
Because the two languages keep politeness in different places. Spanish holds it in the verb and in the tú and usted choice, so an imperative between colleagues is normal. English has no formality in its pronouns and softens through sentence structure instead, so the same message translated directly still reads as a command.

What is the safest way to ask a colleague for something in English?
"Could you…?" It is neutral, it works at every level of seniority, and it turns an instruction into a request.

Should I send a greeting and then type my message?
No. Send the greeting and the message together. A greeting on its own makes the other person stop and wait for you.

Is a full stop rude in an English WhatsApp message?
After a very short reply, it can read as cold. "Ok." sounds annoyed where "Ok" does not. In longer messages a full stop is simply punctuation and carries no tone.

How many exclamation marks are acceptable in a work message?
One. In English work messaging an exclamation mark signals warmth rather than excitement, so one is friendly and three sounds junior.

When should I use email instead of WhatsApp?
When there is a decision, a number, or anything you may need to find again. WhatsApp is for speed. Email is for record.

If you want to work on this properly, I coach senior professionals one to one on the English they actually use at work. The first conversation is free.

Ruth Finnie is a Business English coach with over 25 years' experience and a Cambridge English examiner since 2010.