Hidden Features

6 Slack Features Most People Miss

Slack is a messaging tool on the surface. But Workflow Builder, Canvas (docs), Huddles (quick calls), Clips (video messages), and channel organization features turn it into a productivity platform.

10 min readUpdated March 2026

1. Workflow Builder (Pro — $8.75/user/mo)

Build no-code automations within Slack: approval workflows, standup bots, onboarding checklists, and custom forms. Replaces simple Zapier automations for Slack-centric workflows.

Why This Matters: Internal automation without Zapier for Slack-native workflows.

2. Canvas — Built-in Docs (Pro — $8.75/user/mo)

Create rich documents within Slack channels. Meeting notes, project briefs, and reference docs live alongside conversations. Competes with Notion for lightweight team docs.

Why This Matters: Team docs where conversations happen. No switching to Notion for quick references.

3. Huddles — Instant Voice/Video (Free — $0)

One-click audio/video calls within any channel or DM. Screen sharing included. Free tier supports 1:1 calls. Pro supports up to 50 people. Faster than scheduling a Zoom call.

Why This Matters: Instant calls without calendar scheduling. Replaces casual Zoom meetings.

4. Clips — Async Video Messages (Pro — $8.75/user/mo)

Record and share short video or audio clips in any channel. Viewers can react and reply with their own clips. Competes with Loom ($12.50/user/mo) for async video.

Why This Matters: Async video updates without a Loom subscription.

5. Connect — External Collaboration (Pro — $8.75/user/mo)

Share Slack channels with external organizations. Both companies use their own Slack workspace but share a connected channel. Replaces email chains with clients and partners.

Why This Matters: Real-time client communication without giving them access to your full workspace.

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