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This guide shows you how to configure the Microsoft Outlook connector for WRITER Agent. After setting up this connector, WRITER Agent can perform operations like accessing emails, folders, contacts, and mail settings.

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Set up the Microsoft Outlook connector

Configure the Microsoft Outlook connector in AI Studio under Connectors & Tools. The Microsoft Outlook connector supports two authentication options:
  • WRITER-managed OAuth (recommended): Writer provides the OAuth application. No setup required - just authorize access to your Microsoft Outlook.
  • Organization-managed OAuth: Create your own Microsoft OAuth application for custom branding and control.
Most users should choose WRITER-managed OAuth for faster setup. Only use organization-managed OAuth if you need custom branding or have specific security requirements.

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Create a Microsoft OAuth application (organization-managed only)

If you choose to create a self-managed OAuth application to connect, first create a new Microsoft OAuth application in Microsoft Entra ID (Azure AD):
  1. Navigate to the Microsoft Entra admin center
  2. Go to Applications > App registrations
  3. Create a new registration
  4. Configure authentication with Web platform
  5. Add the Writer redirect URI to Redirect URIs: 
    https://app.writer.com/mcp/oauth/callback
  6. Add API permissions for the required Microsoft Graph scopes
  7. Create a client secret in Certificates & secrets
  8. Copy the application (client) ID and client secret
For detailed instructions, see Microsoft’s OAuth 2.0 documentation.

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Required OAuth scopes

  • User.Read - Read user profile information
  • Mail.ReadWrite - Read and write access to user mail
  • Mail.Send - Send mail as the user
  • offline_access - Maintain access to data
OAuth scopes are fixed per connector and cannot be customized based on enabled tools. When users authorize the Microsoft Outlook connector, they will grant all the scopes listed above, even if you disable certain tools in AI Studio.

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Configure the connector in AI Studio

  1. Navigate to Connectors & Tools in AI Studio
  2. Select the Microsoft Outlook connector
  3. Select who has access by default (all users or specific teams)
  4. Select the connection type:
    • Level: User level (each user authenticates their own account) or org level (shared connection to a single account)
    • Managed by: WRITER-managed or self-managed (your own OAuth app)
  5. Select which tools to enable for your agents
  6. Enter your OAuth client ID and client secret (if using self-managed OAuth)
  7. Complete the OAuth authorization flow

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Next steps