Atlas Extranet 

A knowledge-driven extranet for Microsoft 365

Turn client collaboration into a competitive advantage with secure workspaces, governed document sharing, and AI-assisted answers inside Microsoft 365 and without duplicating content or adding another platform.

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More than an extranet 

Atlas goes beyond simple file sharing to give clients and partners secure, contextual access to the right documents, updates, knowledge, and expertise.

Atlas helps your teams manage external collaboration while maintaining governance, permissions, search and compliance, so external users get faster access to trusted information and internal teams spend less time finding, recreating or explaining content. 

The Atlas advantage

Atlas strengthens client relationships by delivering a professional, personalized and secure Microsoft 365 experience, while helping firms surface the knowledge needed for modern legal service delivery.

Enable secure collaboration

Share documents, data and knowledge externally through governed, permission-aware workspaces designed to support security and compliance.

Maximize knowledge sharing

Surface relevant knowledge, documents and updates for clients, partners or suppliers without creating extra manual effort for internal teams.

Single source of truth

Create a single source of truth for documents, knowledge, search, AI and collaboration.

Improve governance and efficiency

Atlas drives efficiency by automating essential but mundane tasks and reduces time lag when working with multiple parties.

Saves time and money

Save time and reduce costs with repeatable templates and self-service setup, providing a more cost-effective alternative to standalone extranet solutions.

Optimizes your M365 investment

Scale sustainably by extending Microsoft 365 for secure collaboration spaces.

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International law firm takes client service to next level with Atlas

The project involved replacing the existing platform for external client collaboration and to support the transition to and migration of client-facing sites to the new solution. This had to be done at pace to meet specific compliance deadlines.

Read case study

Atlas Extranet features at a glance

One secure platform

Give clients a central, branded space to access matter documents, updates, resources and knowledge securely, improving transparency and service delivery.

External file shares

Share documents and resources with clients, co-counsel, advisers and other stakeholders through governed, permission-aware workspaces that support confidentiality and compliance.

External user onboarding

Streamline access for external users with a structured onboarding process, governance controls and acceptance of terms and conditions.

Knowledge integration

Surface relevant knowledge, guidance, insights and resources from Atlas to inform clients and support better collaboration.

AI knowledge assistant

Enable clients and external users to access AI-assisted answers from approved knowledge sources, with safeguards that ensure users only see information they are authorized to access.

Search

Users can easily find authorized documents, updates, knowledge and resources quickly through secure, permission-aware search.

Self-service setup

Allow teams to create client portals, deal rooms and collaboration spaces with confidence using approved templates, provisioning rules and governance controls.

Dashboard

Monitor usage, adoption and engagement across internal and external users, giving firms insight into how portals and collaboration spaces are being used.

Why choose Atlas Extranet?

Built for knowledge-intensive organizations

Atlas is designed for firms where client service depends on secure access to trusted knowledge, documents, people, and expertise.

Microsoft 365-native by design

Work within the Microsoft environment your teams already use, while extending SharePoint and Teams into governed external collaboration spaces.

Governance from the start

Apply consistent templates, permissions, provisioning, lifecycle management, and compliance controls across every external workspace.

AI-ready without losing control

Use AI to improve findability and responsiveness while keeping answers grounded in governed, permission-aware content.

One unified platform

Reduce fragmentation by bringing internal knowledge and external collaboration together in a single Atlas experience.

Cost effective and scalable

Create client portals, extranets, deal rooms and collaboration spaces using a sustainable model that applies consistent templates, governance and provisioning.

The Essential Guide to Extranets

Download this useful guide for insights into effective extranets and the business value of Atlas.

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FAQs

What is Atlas Extranet?

Atlas Extranet is a Microsoft 365-native platform for secure external collaboration. It enables organizations to create governed client, partner, supplier, matter, project, or deal workspaces where external users can access the right documents, knowledge, updates, and AI-powered answers. .

How is Atlas Extranet different from traditional extranets?

Traditional extranets are often document repositories. Atlas connects external collaboration with internal knowledge management, enterprise search, expertise discovery, AI, provisioning, and governance. Teams can share trusted information without duplicating content or losing control.

What are the main use cases for Atlas Extranet?

Common use cases include client portals, legal matter sites, deal rooms, board portals, project collaboration spaces, supplier portals, and partner knowledge hubs

How does Atlas keep external collaboration secure?

Atlas uses Microsoft 365 security and governance controls, including role-based access, permission-aware search, and security-trimmed experiences, so users only see content they are authorised to access.

How does Atlas Extranet integrate with Microsoft 365?

Atlas is fully embedded within Microsoft 365 and works seamlessly with tools like SharePoint and Teams, allowing you to leverage your existing investment and provide a familiar user experience.

Does Atlas Extranet use AI?

Yes. Atlas includes AI-powered knowledge assistance that helps users find contextual answers from governed content, while maintaining transparency and permission controls. 

How does Atlas Extranet improve client and partner experience?

By providing secure, real-time access to information, documents, and collaboration spaces, Atlas increases transparency, responsiveness, and trust, resulting in stronger relationships and better outcomes.

How quickly can Atlas Extranet be deployed?

Because Atlas is built on Microsoft 365, it can be deployed quickly with minimal disruption, accelerating time to value and driving faster user adoption.