Slack vs Microsoft Teams
Slack
Cloud-based team messaging and collaboration platform optimized for focused communication and integrations.
Startups, tech companies, and developer teams
Microsoft Teams
Unified communications platform integrated with Microsoft 365, combining chat, meetings, calling, and Office apps.
Enterprise teams using Microsoft 365
Short Answer
Slack is the pioneer of team messaging with a cleaner interface and better third-party integrations. Microsoft Teams has 320M+ daily active users — largely due to Office 365 bundling — and better video conferencing. Teams is free with Microsoft 365; Slack charges for most features.
Our Verdict
Slack for startups and developers who value integrations and UX. Teams for enterprises already using Microsoft 365. Teams wins on scale; Slack wins on experience.
Choose Slack if
Startups, tech companies, and developer teams
Choose Microsoft Teams if
Enterprise teams using Microsoft 365
Key Differences at a Glance
Key Differences
Slack
~38M
Microsoft Teams
320M+🏆
Slack
Excellent🏆
Microsoft Teams
Moderate
Slack
Good
Microsoft Teams
Excellent🏆
Slack
$7.25+/user/mo
Microsoft Teams
Included in M365🏆
Slack
Superior🏆
Microsoft Teams
Good
Pros & Cons
Slack
Pros
- Cleaner, more intuitive interface
- 2,600+ app integrations
- Better organized channels
- Preferred by developers
Cons
- $7.25-12.50/user/month for most features
- Video calling less polished
- Smaller user base than Teams
Microsoft Teams
Pros
- 320M+ daily active users
- Included with Microsoft 365
- Excellent video conferencing
- Deep Office integration
Cons
- Cluttered interface
- Slower performance
- Less intuitive than Slack
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Frequently Asked Questions
Microsoft Teams is bundled with Microsoft 365, which is used by 300M+ business users globally. Slack grew organically without this distribution advantage.
Resources & Learn More
Dive deeper with these curated resources
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