1. Create a new channel
- In your Slack sidebar, click the + icon next to Channels
- Name your channel using lowercase letters, numbers, and hyphens (e.g.,
welcome-start-here, general, help)
- Add a description explaining what the channel is for
- Choose privacy:
- Public: Anyone in the workspace can find and join
- Private: Only invited members can access (note: private channels cannot have Tightknit feeds)
- Click Create, then Done
2. Set posting permissions
- Open the channel and click the channel name at the top
- Go to the Settings tab
- Under Posting permissions, choose:
- Everyone: All members can post (default)
- Admins only: Restrict posting to admins and owners
- Click Save
3. Add a description and topic
- Open the channel and click the channel name at the top
- Click Edit next to the description field
- Add:
- Description: Permanent explanation (appears in channel browser)
- Topic: Dynamic updates or current focus (appears below channel name)
- Click Save
Description template
Purpose: [One sentence explaining what this channel is for]
Post here: [Types of content that belong]
Don’t post here: [What to avoid or where to go instead]
The 60-second test: Your channel architecture passes if a new member can quickly answer: Where do I introduce myself? Where do I ask questions? Where are announcements? Where can I chat casually?