Microsoft Teams vs Slack: Complete Comparison (2026)
Updated: March 7, 20268 min read
VS
Quick Comparison
Microsoft Teams
Slack
Starting Price
$6/user/mo
$7.25/user/mo
Free Plan
Yes
Yes
Users
300M+
32M+
Founded
2017
2013
Rating
4.3/5
4.5/5
Best For
Organizations already using Microsoft 365.
Teams needing organized async communication.
Feature-by-Feature Comparison
Microsoft TeamsSlack
88Ease of Use92
90Features94
90Value for Money94
81Customer Support85
83Integrations87
84Mobile App88
AI Verdict
Slack leads with a ToolScout Score of 90 vs 86 for Microsoft Teams. Slack is best suited for Teams needing organized async communication, while Microsoft Teams excels for Organizations already using Microsoft 365. Both are strong options in the Team Communication space.
CHOOSE MICROSOFT TEAMS IF:
Organizations already using Microsoft 365.
CHOOSE SLACK IF:
Teams needing organized async communication.
Frequently Asked Questions
Is Microsoft Teams better than Slack?
Slack scores 90/100 on ToolScout compared to Microsoft Teams's 86/100. However, the best choice depends on your specific needs. Microsoft Teams is best for Organizations already using Microsoft 365. Slack is best for Teams needing organized async communication.
Does Microsoft Teams have a free plan?
Yes, Microsoft Teams offers a free plan. Paid plans start from $6/user/mo.
Does Slack have a free plan?
Yes, Slack offers a free plan. Paid plans start from $7.25/user/mo.
Can I migrate from Microsoft Teams to Slack?
Migration between Microsoft Teams and Slack depends on the specific features you use. Both tools are in the Team Communication category. Check each tool's import/export options for data portability before switching.