Microsoft Teams vs Mattermost
Microsoft Teams is all-in-one communication platform with chat, video meetings, and Office 365 integration, while Mattermost is open-source, self-hosted team messaging platform for organizations that need data sovereignty. The biggest difference up front: Mattermost is free, while Microsoft Teams starts at $4/user/mo. Microsoft Teams is built for organizations already using microsoft 365, whereas Mattermost targets teams that need self-hosted, privacy-first messaging.
Free
| Feature | Microsoft Teams | Mattermost |
|---|---|---|
| Free tier available | ✓ | ✓ |
| Open source | — | ✓ |
| Channels | ✓ | ✓ |
| Compliance | — | ✓ |
| File Sharing | ✓ | — |
| Integrations | — | ✓ |
| Office 365 Integration | ✓ | — |
| Playbooks | — | ✓ |
| Self-Hosted | — | ✓ |
| Video Meetings | ✓ | — |
| Webinars | ✓ | — |
Pricing: Mattermost is completely free, which makes it the obvious pick if budget is the top concern. Microsoft Teams starts at $4/user/mo, but Free basic chat and video meetings. That cost buys you a more polished or feature-rich experience, so it comes down to whether the extras justify the spend.
Feature gaps: Microsoft Teams offers File Sharing, Office 365 Integration and Video Meetings that Mattermost lacks. Mattermost brings Compliance, Integrations and Playbooks that Microsoft Teams does not have. Both share Channels.
Team fit: Microsoft Teams is geared toward enterprise teams, while Mattermost is aimed at mid-size teams teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.
Open source: Mattermost is open source, meaning you can self-host, audit the code, and avoid vendor lock-in. Microsoft Teams is proprietary — you are trusting the vendor with your data and uptime.
Where each tool shines: Microsoft Teams's biggest strengths are: included with microsoft 365 subscriptions. deep integration with office apps (word, excel, sharepoint). Mattermost's biggest strengths are: self-hosted — full control over your data. open source with active community.
Watch out for: With Microsoft Teams, users commonly note that interface can feel cluttered and confusing. With Mattermost, the main complaint is that requires server management if self-hosting.
choose Microsoft Teams if
- Your profile matches its sweet spot: organizations already using microsoft 365
- You specifically need File Sharing and Office 365 Integration
- You care about deep integration with office apps (word, excel, sharepoint)
- Your team size fits the enterprise profile Microsoft Teams is designed for
- The free tier works for you: free basic chat and video meetings
choose Mattermost if
- Your profile matches its sweet spot: teams that need self-hosted, privacy-first messaging
- Budget is a hard constraint — Mattermost is free, Microsoft Teams is not
- You need self-hosting, data sovereignty, or the ability to audit source code
- You specifically need Compliance and Integrations
- You care about open source with active community
frequently asked
What is the difference between Microsoft Teams and Mattermost?
Microsoft Teams is all-in-one communication platform with chat, video meetings, and Office 365 integration, while Mattermost is open-source, self-hosted team messaging platform for organizations that need data sovereignty. The biggest difference up front: Mattermost is free, while Microsoft Teams starts at $4/user/mo. Microsoft Teams is built for organizations already using microsoft 365, whereas Mattermost targets teams that need self-hosted, privacy-first messaging.
Should I use Microsoft Teams or Mattermost?
Mattermost is the free option; Microsoft Teams charges $4/user/mo but may offer more polish. Here is how they compare.
When should I choose Microsoft Teams over Mattermost?
Choose Microsoft Teams if Your profile matches its sweet spot: organizations already using microsoft 365; You specifically need File Sharing and Office 365 Integration; You care about deep integration with office apps (word, excel, sharepoint); Your team size fits the enterprise profile Microsoft Teams is designed for; The free tier works for you: free basic chat and video meetings.
When should I choose Mattermost over Microsoft Teams?
Choose Mattermost if Your profile matches its sweet spot: teams that need self-hosted, privacy-first messaging; Budget is a hard constraint — Mattermost is free, Microsoft Teams is not; You need self-hosting, data sovereignty, or the ability to audit source code; You specifically need Compliance and Integrations; You care about open source with active community.
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