Instant messaging and chat platforms (like text messaging, Slack, Discord, WhatsApp) are faster and more informal than email but still require courtesy and professionalism. Good chat etiquette includes clear communication, respecting response times, avoiding all-caps (which means shouting), and being mindful of when others might be available.
Compare professional vs casual messaging examples. Notice tone differences, abbreviations, and response patterns. Practice rewriting casual messages in a professional context.
From digital citizenship, you know that online spaces involve real people with real expectations, and that your digital actions carry consequences even when you can't see the immediate reaction. Chat and instant messaging compress this dynamic: messages arrive in seconds, tone is absent, and misunderstandings can escalate quickly. Good chat etiquette is essentially about compensating for what text lacks — the tone of voice, facial expressions, and conversational pacing that in-person communication provides automatically.
The most important structural skill is context-appropriate tone. The same person might maintain three different chat styles simultaneously: casual abbreviations and emoji with friends, professional but warm messages with colleagues, and formal complete sentences with a supervisor or client. These aren't fake personas — they're the digital equivalent of how you speak differently at a dinner party versus a job interview. When you're new to a professional chat environment (a work Slack, a team Discord), read the existing messages to calibrate the cultural norms before establishing your own style. When in doubt, err toward more formality; it's easier to become more casual once you've read the culture than to recover from an inappropriately casual opening.
Response timing expectations vary by platform and relationship, and mismatches cause frustration. A text message to a friend carries an implicit expectation of a fairly prompt reply; a formal email does not. Chat apps sit between these poles, and the gap causes stress when one person treats Slack as synchronous (expecting immediate responses) and their colleague treats it as asynchronous (responding when it fits their workflow). Closing this gap requires explicit communication: use status indicators ("in a meeting," "do not disturb"), set notifications intentionally, and when you need uninterrupted work time, say so directly rather than going silent and leaving others wondering.
A few specific conventions carry outsized importance in text-based communication. ALL CAPS reads as shouting — a convention now so universal that using it in an angry moment is interpreted correctly, but using it for emphasis creates unintended aggression. Breaking long messages into shorter paragraphs reduces cognitive load for the reader; a wall of text in a chat window is harder to parse than the same content in email. In Slack-style platforms with thread replies, using threads keeps related conversation attached to its context; replying outside the thread buries the exchange in the main channel and forces others to scroll. And one habit that experienced chat users find particularly considerate: don't send a message consisting only of "hi" or "hey" and then wait for acknowledgment before stating your actual question. State the full question immediately — it respects the recipient's time and eliminates an unnecessary round-trip.