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By making most of its capabilities available to freemium users and leveraging the network effect of departmental team adoption, Slack has become one of the fastest-growing software-as-a-service (SaaS) startups in history.


  • At Slack's annual Frontiers event in San Francisco (April 24–25, 2019), the vendor made a number of feature announcements including Shared Channels for Enterprise Grid, Workflow Builder, and deeper app integrations to focus on intercompany collaboration and easier workflow customization for non-developers.

Features and Benefits

  • Assesses the announcements made at Slack's 2019 Frontiers event as the vendor increasingly finds itself competing with Microsoft.
  • Describes how competitors and CSPs should react to the threat of Slack.

Key questions answered

  • What significant announcements were made at Slack Frontiers 2019?
  • How does Slack plan to differentiate to attract new customers and monetize free users?

Table of contents

Ovum view

  • Summary
  • Differentiating to attract new customers and to monetize free users
  • Teaming with Zoom to take on Microsoft
  • Leveraging existing strengths to compete and differentiate


  • Further reading
  • Author