This page may contain affiliate links. If you purchase through these links, RevMyBiz may earn a commission at no additional cost to you.

Overview of Both Tools

Slack is a dedicated messaging platform built for work. It pioneered channel-based communication and has a strong integration ecosystem. Microsoft Teams is part of Microsoft 365, combining chat, meetings, and file collaboration with deep Office integration.

Feature Comparison

Feature Slack Microsoft Teams
Messaging Excellent Good
Video meetings Huddles, integrations Built-in (Teams)
Office integration Via apps Native
Integrations 2,000+ 1,000+
Standalone Yes Requires M365

Pricing Comparison

Slack: Free tier available; Pro from $7.25/user/month. Microsoft Teams: Included with Microsoft 365 ($6–22/user/month); free tier with limitations.

Strengths and Weaknesses

Slack strengths: best-in-class messaging, search, integrations, standalone. Weaknesses: video/meetings less integrated; separate cost if not using M365.

Microsoft Teams strengths: bundled with Office, integrated meetings, file collaboration. Weaknesses: messaging UX not as polished; tied to Microsoft ecosystem.

Final Recommendation

Choose Slack if you want the best messaging experience, use diverse tools, or aren't committed to Microsoft 365. Choose Microsoft Teams if you're already on Microsoft 365—it's included and integrates seamlessly with Word, Excel, and Outlook.