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Slack everyday: channels, threads, mentions and external people

For people who use Slack at work: public and private channels, threads, @channel, @here and user groups, notifications and pausing them, huddles, saving for later and reminders, files and external links, guests and Slack Connect, and what workspace owners control.

Level
Beginner
Length
About 40 minutes
Contents
3 lessons · 1 video · final exam
Status
Published · updated 2 Oct 2026
  • Slack

Skills you'll practise

  • Choose a public channel, private channel, DM or thread for a message
  • Use @mentions, @here, @channel and user groups so the right people are notified
  • Manage notifications, Pause notifications and Later/reminders to control interruptions
  • Recognize guests and Slack Connect external people and adjust what you share
  • Handle files and external file links as Slack describes

Course outline

  1. 1.Slack everydayVideo · 1 min
  2. 2.Channels, threads and mentionsLesson · 14 min
  3. 3.Staying focused: notifications, huddles and LaterLesson · 12 min
  4. 4.Files, guests and Slack ConnectLesson · 14 min
  5. 5.Slack everyday: channels, threads, mentions and external people: knowledge checkKnowledge check · 15 questions
  6. 6.Final exam9 questions · passing it completes the course, so people who already know the material can test out

Sources it draws on

The lessons and questions are written from these references, so learners can go back to the original.

And 4 more.

See it with your own jobs and topics

Tell us about your team and we'll walk you through setup, from choosing jobs to your first skills check.