Microsoft Graph Connectors – Simply Explained

Welcome to another episode of Knowledge Nuggets with Mirko Peters. In this episode, we’re exploring Microsoft Graph Connectors, now increasingly referred to as Microsoft Copilot Connectors. While Microsoft 365 Copilot can search emails, Teams chats, SharePoint, and OneDrive out of the box, most organizations store critical business information in systems like Salesforce, ServiceNow, Jira, Confluence, SAP, GitHub, and many other third-party platforms. You’ll learn how Graph Connectors bridge that gap, the difference between Synced and Federated Connectors, how Microsoft Graph indexes external content, how security permissions are preserved, and how these connectors dramatically expand what Copilot can understand across your organization.

WHY GRAPH CONNECTORS MATTER
Modern organizations rarely keep all their business data inside Microsoft 365. Customer information often lives in Salesforce, IT tickets are managed in ServiceNow, documentation resides in Confluence, source code is stored in GitHub, and project information may be spread across Jira, Google Drive, Dropbox, or countless other business applications. Without Graph Connectors, Microsoft 365 Copilot can only answer questions using Microsoft 365 content. This creates major knowledge gaps because some of the most valuable business information exists outside Microsoft’s ecosystem. Graph Connectors eliminate these blind spots by making external business content searchable through Microsoft Graph, allowing Copilot to generate answers using data from multiple systems instead of only Microsoft 365.

WHAT ARE MICROSOFT GRAPH CONNECTORS?
A Microsoft Graph Connector imports external business content into the Microsoft Graph, Microsoft’s unified data and intelligence platform that powers Microsoft Search and Microsoft 365 Copilot. Think of Microsoft Graph as a centralized knowledge index. Once external data enters this index, Copilot can search, summarize, reference, and reason over that information just as naturally as it does with SharePoint documents or Outlook emails. Although Graph Connectors have existed for years to power Microsoft Search, they have become significantly more valuable with the arrival of Microsoft 365 Copilot because AI can now understand and combine information across multiple connected systems instead of simply returning search results.

SYNCED VS FEDERATED CONNECTORS
Microsoft currently supports two different connector models. Synced Connectors copy external data into Microsoft Graph. The information is indexed, semantically processed, and stored inside Microsoft 365. This approach provides fast search, semantic understanding, and broad availability across Microsoft Search and Copilot. Synced connectors work particularly well for relatively static information such as:

• HR documentation
• Knowledge bases
• Company policies
• Wikis
• Archived contracts
• Reference documentation

Federated Connectors operate differently. Instead of copying information, Copilot retrieves data directly from the external system whenever a user asks a question. The data remains in its original location and is retrieved in real time using the Model Context Protocol (MCP). Federated connectors are ideal for rapidly changing information including:

• Support tickets
• CRM records
• Inventory systems
• Live project status
• Current pricing
• Operational dashboards

Many organizations ultimately use both approaches together depending on the nature of their business data.

SECURITY AND PERMISSIONS
One of the biggest strengths of Microsoft Graph Connectors is that they preserve existing security permissions. Every indexed item contains an Access Control List (ACL) that defines exactly which users are allowed to view that content. If a user doesn’t have permission inside the original system, Copilot won’t expose that information either. Authentication uses modern OAuth 2.0 standards, while data transferred through connectors is encrypted during transit. Synced connector data is also encrypted at rest within Microsoft 365. For organizations with on-premises systems, Microsoft provides the Microsoft Graph Connector Agent, allowing local data to be indexed securely without moving entire file repositories into the cloud. Because connectors inherit Microsoft 365’s enterprise security and compliance capabilities, organizations can extend Copilot while maintaining existing governance and regulatory requirements.

CONNECTING EXTERNAL SYSTEMS
Microsoft offers more than one hundred pre-built Graph Connectors for popular enterprise applications. Examples include:

• Salesforce
• ServiceNow
• Jira
• Confluence
• GitHub
• Google Drive
• Dropbox
• Box
• Azure DevOps
• Many additional partner applications

For organizations with proprietary systems, developers can also build custom connectors using the Microsoft Graph Connectors API and Microsoft 365 development tools, allowing virtually any business application to become searchable through Microsoft Graph and Copilot.

GETTING STARTED
Setting up Microsoft Graph Connectors begins inside the Microsoft 365 Admin Center, where administrators can browse available connectors, authenticate external systems, define synchronization schedules, configure field mappings, and apply security permissions. After deployment, administrators should verify that Copilot can retrieve relevant information while ensuring users only see data they’re authorized to access. Organizations often begin by connecting one high-value business system, such as ServiceNow or Salesforce, before gradually expanding their connected knowledge base to additional applications. This incremental approach delivers immediate value while simplifying governance and administration.

KEY TAKEAWAYS
Microsoft Graph Connectors dramatically expand what Microsoft 365 Copilot can understand by connecting external business systems to Microsoft Graph. Whether using Synced Connectors for indexed knowledge or Federated Connectors for real-time information, organizations can break down data silos and give Copilot access to the information employees need most. By preserving existing permissions, supporting enterprise security, and integrating with hundreds of business applications, Graph Connectors transform Copilot from a Microsoft 365 assistant into an AI that can reason across your organization’s complete knowledge landscape.

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