Comparison

Microsoft Teams vs Slack

On the evidence we track, Slack leads this comparison with a composite score of 82/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Microsoft Teams45
Slack82
Score
Vioscale score
Microsoft Teams45 / 100low · 16%
Slack82 / 100medium · 54%
Pricing
Free tier
Microsoft Teams
Slack
Model
Microsoft Teamscommercial
Price level
Microsoft Teamsunknown
Slacklow
Transparent
Microsoft Teams
Slack
Integrations
Count
Microsoft Teams
Slack2,500
Security
Disclosure policy
Microsoft Teams
Slack
Gdpr
Microsoft Teams
Slack
Reliability
Status page
Microsoft Teams
Slack
Market
Availability
Microsoft Teams

Capabilities

Feature-by-feature on the axes that matter for collaboration software. “-” means undocumented, not absent.

Modality
Messaging
Microsoft Teams
Slack
Video meetings
Microsoft Teams
Slack-
Whiteboard
Microsoft Teams
Slack-
Meetings
Screen sharing
Microsoft Teams
Slack-
Recording / transcription
Microsoft TeamsRecording + AI notes
Slack-
Security
End-to-end encryption
Microsoft Teams-
Slack-
SSO / SCIM
Microsoft Teams-
Slack-
Access
Guest / external access
Microsoft Teams-
Slack
Compliance
Compliance controls
Microsoft Teams
Slack
Deployment
Hosting
Microsoft TeamsCloud only
SlackCloud only
Scale
Max participants
Microsoft Teams-
Slack-
Ecosystem
App marketplace
Microsoft Teams
Slack
Public API / bot framework
Microsoft Teams
Slack
Commercial
Free tier
Microsoft Teams-
Slack-

What each one is

The product in its own terms, so the numbers below have context.

Microsoft Teams

Microsoft Teams is a video conferencing, meetings, and calling platform that enables communication, collaboration, and engagement at work. It offers instant messaging, file sharing, online meetings, webinars, and integrated workflows.

Independently observed

Slack

Leader

A workspace tool that consolidates team messaging, third-party software integrations, and automated workflows to help distributed teams coordinate work and manage customer interactions more effectively.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Microsoft Teams

Subscription
  • Teams-
  • Teams Premium-
  • Teams Phone-
as of verify ↗

Slack

Leader
from £5.75/moSubscriptionFree tier

From £0 (free tier) to £7/user/month (Pro). Free tier available.

  • FreeFree
    • 90 days of message history
    • Up to 10 apps from Slack App Directory
    • 1:1 audio and video meetings with screen sharing
    • 1:1 external messages via Slack Connect
    • SAML-based single sign-on
    • +9 more
  • Pro£7/user/month (£5.75/user/month billed annually)
    • Unlimited message history
    • Unlimited app integrations
    • 2,600+ apps in Slack App Directory
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Microsoft Teams
Slack
iOS
Microsoft Teams
Slack
Android
Microsoft Teams
Slack
macOS
Microsoft Teams
Slack
Windows
Microsoft Teams
Slack
Deployment
Cloud / SaaS
Microsoft Teams
Slack

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Microsoft Teams

Not documented yet.

Slack

Leader
8 total
  • Salesforce
  • Atlassian
  • Lucid
  • Loom
  • Miro
  • Smartsheet
  • Mural
  • Zapier
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.