Configures the system-level Azure AD application credentials that allow the platform to access Office 365 / Outlook mailboxes on behalf of users (for the inbox integration feature).

Registering an App in Azure Active Directory
  1. Open the Azure Portal — App registrations.
  2. Click New registration.
  3. Set the redirect URI to: https://<your-domain>/app/office365Callback
  4. After creation, copy the Application (client) ID and the Directory (tenant) ID.
  5. Go to Certificates & secrets → New client secret and copy the value.
  6. Under API permissions, add Microsoft Graph delegated permission: Mail.Read (and Mail.Send if composing is needed). Grant admin consent.
Settings
Client ID
The Application (client) ID from Azure AD.
Client Secret
The client secret value. Stored encrypted at rest.
Tenant ID
The Azure AD directory (tenant) ID. Use common to support multiple tenants, or enter a specific tenant ID.
Redirect Domain
The domain used in the redirect URI registered in Azure (e.g. app.example.com).
Open Azure App Registrations