Slack vs Microsoft Teams
Which team communication tool is right for you? Compare features, pricing, and user reviews to make the best choice.
Slack
From $7.25Free plan
G2 4.5 · 39,319 reviewsTeams that need fast, searchable, channel-based communication with strong integrations and automation—especially cross-functional groups working across many projects and tools.
vs
Microsoft Teams
From $4Free plan
G2 4.4 · 19,339 reviewsOrganizations already using Microsoft 365 that want an all-in-one hub for chat, meetings, and file collaboration with strong admin, security, and compliance controls.
Side by side
 Slack |  Microsoft Teams | |
|---|---|---|
| Pricing | Free; paid from $7.25/user/month (annual) | Free; paid from $4/user/month (annual) |
| G2 Rating | 4.5 (39,319 reviews) | 4.4 (19,339 reviews) |
| Best For | Teams that need fast, searchable, channel-based communication with strong integrations and automation—especially cross-functional groups working across many projects and tools. | Organizations already using Microsoft 365 that want an all-in-one hub for chat, meetings, and file collaboration with strong admin, security, and compliance controls. |
Pros and cons
Slack
Pros
- Excellent channel-based organization and message search
- Large integration ecosystem and strong API platform
- Easy to adopt with a polished UX across desktop and mobile
- Automation options (Workflow Builder) reduce repetitive coordination work
Cons
- Costs can add up at scale, especially for larger organizations
- Notification overload and channel sprawl without good governance
- Some advanced security/compliance features require higher-tier plans
Microsoft Teams
Pros
- Tight integration with Microsoft 365 (Outlook, SharePoint/OneDrive, Office apps) for streamlined collaboration
- Robust meeting capabilities for internal and external collaboration (screen share, recording, captions—plan-dependent)
- Strong enterprise-grade security, identity, and compliance options (plan-dependent)
- Large ecosystem of integrations and extensibility via Teams apps and automation
Cons
- Can feel complex or heavy for small teams; feature set varies by license and can be confusing
- Performance and reliability can vary depending on device, network, and tenant configuration
- Notification and channel sprawl can become hard to manage without governance and good practices
Sarah Chen