Slack & Teams Etiquette
2 exercises — thread vs. new message decisions; @channel, @here, and @name usage rules.
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Slack/Teams etiquette essentials
- Thread test — "Would they need to read the parent message to understand mine?" → thread
- @channel — ALL members including offline. Reserve for genuine emergencies only
- @here — active members only. Use for "anyone available right now?" situations
- @name — direct requests to a specific person, not broadcast needed
- Preserve signal — overusing @channel trains people to ignore it
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Your team uses Slack. Which message belongs in a thread reply vs. a new channel message?
Option C describes the thread vs. new message decision correctly:
Use a NEW channel message when:
• Introducing a new topic or question for the channel
• Making an announcement relevant to all channel members
• Starting a discussion that isn't a response to anything
• Flagging something time-sensitive that needs broad visibility (e.g., "🚨 staging is down")
Use a THREAD REPLY when:
• Your message is a follow-up to a specific parent message
• You're adding detail, analysis, or +1 to an existing discussion
• The discussion would create noise for people who weren't part of the original exchange
• You're making a status update on an ongoing item
The key test: "Would someone need to read the parent message to understand mine?" → Thread. "Is this a standalone new thought?" → New message.
Why this matters: Channels without threading become unusable. 60 messages in #engineering with 40 of them being replies to 5 different topics creates an unreadable stream. Threading restores scannability.
Use a NEW channel message when:
• Introducing a new topic or question for the channel
• Making an announcement relevant to all channel members
• Starting a discussion that isn't a response to anything
• Flagging something time-sensitive that needs broad visibility (e.g., "🚨 staging is down")
Use a THREAD REPLY when:
• Your message is a follow-up to a specific parent message
• You're adding detail, analysis, or +1 to an existing discussion
• The discussion would create noise for people who weren't part of the original exchange
• You're making a status update on an ongoing item
The key test: "Would someone need to read the parent message to understand mine?" → Thread. "Is this a standalone new thought?" → New message.
Why this matters: Channels without threading become unusable. 60 messages in #engineering with 40 of them being replies to 5 different topics creates an unreadable stream. Threading restores scannability.