Quick Answer
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Slack costs Free to $45 per user/month as of November 2026, with 4 plans available including a free tier. Plans: Free (free), Pro at $8.75/user/month, Business+ at $18/user/month, and Enterprise+ at $45/user/month (billed annually). Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

Slack offers 4 pricing tiers: Free, Pro, Business+, Enterprise+. A free plan is available. Paid plans include Pro at $8.75/user/month, Business+ at $18/user/month, Enterprise+ at $45/user/month (billed annually). The Pro plan is growing teams that need full message history.

Last verified: | Sources: 1 pricing pages and reviews
Forever Free plan type

Yes, Slack offers a forever free plan as of November 2026. The free tier includes 6 features with limits on usage. Paid plans start at $8.75/user/month (Pro). Pricing verified from 1 sources by CostBench.

Forever Free

Slack's free plan is available indefinitely with no time limit.

What's Included in the Free Plan

  • 90 days of message history
  • Up to 10 app integrations
  • 1:1 audio and video calls
  • Slack Connect for external messaging
  • Basic AI features
  • 5 GB total file storage
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What's NOT Included (Paid Only)

  • Unlimited message history
  • Unlimited app integrations
  • Group audio and video calls
  • SAML-based SSO
  • 10 GB file storage per user
  • Basic AI features included

You'll Need to Upgrade When...

  • You exceed the user limit
  • You need features like Unlimited message history or Unlimited app integrations
  • You require premium support or SLA guarantees
  • You need to remove branding or watermarks
  • You need advanced integrations or API access

Hidden Restrictions on Free Plan

  • ! Slack branding may appear on your content or communications
  • ! Support is limited to community forums or email with longer response times
  • ! Export options may be restricted or include watermarks
  • ! API access is typically limited or not available
  • ! Advanced reporting and analytics require paid plans

Free vs Paid: Which Do You Need?

Free Plan is Enough If...

  • You're an individual or very small team
  • You need only basic features
  • You don't mind usage limits
  • Branding on output is acceptable
  • Community support is sufficient

Free vs Pro Plan Comparison

Free $0
Features 6 included 6+ included
Support Community/Email Priority Support
Branding Slack branding Your branding
Best For Small teams getting started Growing teams that need full message history

Frequently Asked Questions

01 Is Slack free?

Yes, Slack offers a forever free plan with 6 core features included. However, there are limits on users and features that may require upgrading.

02 What's included in Slack's free plan?

Slack's free plan includes: 90 days of message history, Up to 10 app integrations, 1:1 audio and video calls, Slack Connect for external messaging, Basic AI features, and 1 more features. Key limits include basic usage caps.

03 What's NOT included in Slack's free plan?

The free plan excludes: Unlimited message history, Unlimited app integrations, Group audio and video calls, SAML-based SSO, 10 GB file storage per user. You'll also have Slack branding and limited support options.

04 When should I upgrade from Slack's free plan?

Consider upgrading when: you hit user or storage limits, need features like Unlimited message history or Unlimited app integrations, require premium support, or want to remove branding. The cheapest paid plan starts at $8.75/user/month.

05 Is Slack's free plan really free forever?

Yes, Slack's free plan is available indefinitely with no time limit. However, feature and usage limits may restrict what you can do without upgrading to a paid plan.

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