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.Slack everydayVideo · 1 min
- 2.Channels, threads and mentionsLesson · 14 min
- 3.Staying focused: notifications, huddles and LaterLesson · 12 min
- 4.Files, guests and Slack ConnectLesson · 14 min
- 5.Slack everyday: channels, threads, mentions and external people: knowledge checkKnowledge check · 15 questions
- 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.
- Slack Help Center: What is a channel?
- Slack Help Center: Convert a channel to private or public
- Slack Help Center: Slack Connect guide: work with external organizations
- Slack Help Center: Understand guest roles in Slack
- Slack Help Center: Use threads to organize discussions
- Slack Help Center: Notify a channel or workspace
- Slack Help Center: Use huddles in Slack
- Slack Help Center: Guide to Slack notifications
- Slack Help Center: Pause notifications with Do Not Disturb
- Slack Help Center: Edit or delete messages
- Slack Help Center: Customize message and file retention policies
- Slack Help Center: Use a canvas in Slack
- Slack Help Center: Use lists in Slack
- Slack Help Center: Guide to Slack Workflow Builder
- Slack Help Center: Add files to Slack
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.