Maximize Your Microsoft Investments

Unlock the full potential of your Microsoft Teams, M365, and Entra ID investment with Mattermost. Designed for operational teams that require advanced customization, secure workflows, and seamless deployment on segregated networks, Mattermost enhances your existing Microsoft solutions for critical mission success.

Mattermost complements Microsoft solutions with tailored capabilities designed to meet the unique needs of high-security environments, inter-agency collaboration, and external workflows, enabling teams to maximize their Microsoft investment.

The following mission-ready collaboration capabilities are available:

Sovereign Communication in Microsoft Teams

Agencies and critical infrastructure organizations must often comply with strict data sovereignty rules that restrict cloud usage for sensitive collaboration.

Benefits

• Deploy Mattermost on-premise or in sovereign clouds, fully integrated with Microsoft Teams and Outlook (See Mattermost for M365, Teams, and Outlook) to maintain workflow continuity and secure data storage.
• Store messages, recordings, and transcriptions in compliance-approved systems, with data-at-rest encryption ensuring no leakage of sensitive data to third-party platforms.
• Enable secure Microsoft Teams interactions via embedded Mattermost collaboration, supporting operations within familiar interfaces while enforcing regulatory compliance. See Mattermost for M365, Teams, and Outlook.
• Enforce agency-specific policies with legal hold, retention policies, and user access controls that align with national or sectoral mandates.

On-Premises Skype for Business Replacement

As Skype for Business reaches end-of-life, secure organizations require an alternative that preserves on-premises control, integrates into Microsoft workflows, and meets the security standards of air-gapped and classified environments. Cloud-first replacements like Microsoft Teams are not always viable due to network segmentation, compliance restrictions, or data sovereignty mandates.

• Preserve mission-critical communication workflows with a self-hosted Mattermost deployment that supports 1:1 calls, screen sharing, and threaded messaging within secure environments.
• Integrate Mattermost with Microsoft tools such as Outlook, Teams, and Entra ID Single Sign-On to retain user workflows while centralizing identity and access control. See Mattermost for M365, Teams, and Outlook.
• Deploy in sovereign, air-gapped, or private cloud environments such as Azure Deployment or Azure Local (formerly Azure Stack HCI) for on-premises hybrid cloud scenarios while maintaining compliance with STIG, FedRAMP, and NIST 800-53 standards. For Azure Local deployments, we recommend engaging Mattermost Professional Services for deployment support. Talk to an Expert to learn more.

Learn more about replacing Skype for Business with Mattermost.

Out-of-Band Incident Response for Microsoft-Centric Environments

During high-stakes incidents, Microsoft 365 tools can be limited or unavailable, slowing down response times and jeopardizing mission continuity.

Benefits

• Maintain operational continuity during M365 outages with a dedicated, out-of-band Mattermost instance for secure incident response, communication, and collaboration. See Mattermost Mission Collaboration for Microsoft
• Accelerate responses with AI-powered workflows, enabling structured playbooks for triage, escalation, and resolution even when primary systems are compromised.
• Integrate with Microsoft Security Suite and Entra ID to preserve centralized identity management while keeping sensitive data in a secure secondary system. Learn more about Mattermost's integration capabilities.
• Protect breach-sensitive notifications using ID-only push alerts and enhanced mobile security, enabling secure communication without cloud exposure.

Enterprise to Tactical Edge

Operational teams need to extend Microsoft capabilities to mission environments where bandwidth is limited, systems are segregated, and speed is critical.

Benefits

• Enable mission-critical coordination at the edge by deploying Mattermost in secure, on-prem or air-gapped environments integrated with Microsoft Teams and Outlook.
• Fuse data and decision-making across platforms with support for toolchain integration, audio/screen share, and workflow automation embedded into a dedicated Mission Operations Platform.
• Maintain coalition and partner alignment through interoperable Connected Workspaces supporting collaboration across mission partner networks.
• Accelerate action with mission-tuned AI using secure Azure AI and Mattermost Copilot to summarize context, guide decisions, and automate operational tasks.
• Secure every communication path with built-in Zero Trust controls and deploy on Azure or sovereign environments for maximum flexibility and compliance.

External Collaboration with Full Control

Managing external collaboration within Microsoft Teams can be complex, often requiring numerous configurations and administration that lead to security risks like usage of consumer-grade chat tools.

Benefits

• Integrate Mattermost with Microsoft Teams and Outlook to enable secure external collaboration with encryption, audit trails, and role-based permissions—without compromising compliance. (See Mattermost for M365, Teams, and Outlook).
• Eliminate shadow IT by providing Connected Workspaces for sanctioned, policy-enforced engagement with external partners—reducing reliance on consumer-grade tools.
• Apply granular policy enforcement for external users, including granular user permissions, legal hold, retention policies, and custom Terms of Service.
• Synchronize user identity using Entra ID to maintain scalable, centralized access control across both internal and external collaborators.

Cross-Instance Collaboration Hub

Multi-agency, multi-tenant Microsoft 365 environments often hinder seamless collaboration and increase complexity for inter-organization workflows.

Benefits

• Centralize communication across M365 instances using Mattermost as a neutral, embedded hub for messaging, file sharing, and playbook coordination (See Mattermost for M365, Teams, and Outlook).
• Bridge segmented Teams deployments with Connected Workspaces and Microsoft presence integration to ensure continuity without duplicative configuration.
• Deploy flexibly across hybrid, private, or air-gapped environments such as Mattermost for M365, Teams, and Outlook to ensure operational consistency no matter the deployment complexity.
• Secure external communications and maintain control with segmentation, data governance, and compliance automation across Teams ecosystems.

Get Started

We can help you maximize your Microsoft investment while extending its capabilities into the most demanding mission contexts. Book a live demo or talk to a Mattermost expert to discover how your organization can enhance Microsoft-based workflows with secure, extensible collaboration tailored for operational and compliance-sensitive environments. Or try Mattermost yourself with a 1-hour preview for instant access to a live sandbox environment.