Microsoft + Mattermost: Better Together

Leverage the best of both worlds by integrating Mattermost with your existing Microsoft 365 environment. Enable seamless authentication, calendar integration, and collaboration across platforms while benefiting from Mattermost’s critical mission focus for secure, real-time operational communication.

What’s Included

Authentication Integration

• Azure AD / Microsoft 365 SSO configuration
• Single sign-on for seamless user access
• Automatic user provisioning from Entra ID
• Group sync for team management

Collaboration Integration

• Mattermost embedded experience directly inside Microsoft Outlook and Teams for technical collaboration
• Calendar integration for meeting coordination
• Microsoft Teams Calls integration

Why This Integration Package?

Many organizations want the compliance, security, and self-hosted capabilities of Mattermost while maintaining their Microsoft 365 investment. This integration package allows you to:

• Keep your Microsoft investment - Continue using Teams, Outlook, and other M365 tools where they excel
• Add Mattermost capabilities - Self-hosted security, compliance, extensibility, and data sovereignty
• Seamless user experience - Single sign-on and integrated workflows across both platforms

Best For

Organizations that:

• Are heavily invested in Microsoft 365
• Need self-hosted collaboration for sensitive teams or projects
• Require out-of-band communications for security teams to monitor and remediate breaches from separate infrastructure
• Require data sovereignty while using cloud tools
• Want specialized Mattermost features alongside Teams
• Need to maintain compliance while collaborating with external partners

Common Use Cases

Hybrid Model

Use Teams for general corporate communication and Mattermost for:

• Classified or sensitive project teams
• Operations and incident response
• Development and DevOps workflows
• Out-of-band Security Ops
• External partner collaboration (on your infrastructure)

Strategic Complement

Use each platform for its strengths:

• Teams: Corporate communication, meetings, Office integration
• Mattermost: Technical collaboration, on-premise security, custom integrations