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Microsoft Teams vs Slack

A detailed comparison to help you choose between Microsoft Teams and Slack.

M
Microsoft Teams

Microsoft's team communication hub with Office 365 integration.

S
Slack

Business messaging app for team communication and collaboration.

FeatureMicrosoft TeamsSlack
Pricing ModelFreemiumFreemium
Free TierYesYes
VerifiedYesYes
Open SourceNoNo
CategoriesCommunicationCommunication
Key FeaturesChat & channels, Video conferencing, Office 365 co-authoring, File sharing via SharePoint, Breakout roomsChannels & threads, Direct messaging, File sharing, Huddles (audio/video), Workflow Builder

Microsoft Teams

Pros

  • + Seamless Microsoft 365 integration
  • + Enterprise-grade security and compliance
  • + Free tier is functional for small teams
  • + Excellent video conferencing quality
  • + Strong admin controls

Cons

  • - Heavy resource usage on desktop
  • - Interface can feel cluttered and overwhelming
  • - Notification management is confusing
  • - Less flexible than Slack for third-party integrations

Slack

Pros

  • + Industry-standard for team communication
  • + Massive integration ecosystem
  • + Excellent search functionality
  • + Slack Connect for external collaboration
  • + Strong mobile experience

Cons

  • - Can be distracting with constant notifications
  • - Free tier limits message history
  • - Can get expensive for larger teams