To provision an Authorized Account for Exchange Online from Cloud App Security web console:

1. Log on to the Cloud App Security management console.
2. Go Dashboard > Service Status.
3. Click Grant Access in the Action column for Exchange Online.

   

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4. Select the policy to enable automatically when the access grant is complete.
5. Click Grant Permission.

   

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6. Specify your Office 365 Global Administrator credentials, and click Sign in.
7. Click Accept to grant Cloud App Security permissions to use the Graph API to access all mailboxes.

   

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8. Go back to the Cloud App Security management console as instructed.
9. Wait until the process is completed.
   If the message "Successfully created a service account and synced data." appears on the screen, the grant is successful.