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  "description": "The Change Optics report for Exchange Online is in public preview, providing administrators visibility into email traffic affected by upcoming transport changes. It identifies onmicrosoft.com external traffic and Direct Send traffic, is enabled by default, requires no preparation, and does not im...",
  "path": "/m365-message-center/message/mc1301802/",
  "publishedAt": "2026-05-06T00:00:07.000Z",
  "site": "https://blog.tophhie.cloud",
  "tags": [
    "Change Optics Report released into Public Preview to showcase messages impacted by future changes | Exchange Team Blog"
  ],
  "textContent": "**[Introduction]**\n\nWe’re announcing the **public preview** of the **Change Optics report for Exchange Online** , which is now available for all customers. This report helps Exchange administrators proactively identify email traffic that may be affected by upcoming service changes, enabling investigation and remediation ahead of enforcement.\n\n**[When this will happen]**\n\n  * **Public preview:** The report is now rolled out for all customers. We plan to conduct the public preview for at least one month.\n  * **General availability (Worldwide):** Depending on feedback from the public preview, we may announce GA as **early as June 2026**.\n\n\n\n**[How this affects your organization]**\n\n_Who is affected_\n\nExchange Online administrators\n\n _What will happen_\n\n  * A new **Change Optics report** will appear in _Exchange Online reporting_ during public preview.\n  * The report provides**visibility** into a sample set of messages that match characteristics expected to be impacted by**future Exchange Online transport changes**.\n  * At launch, the report includes the following scenarios:\n    * **OMC (onmicrosoft.com external traffic)** : Identifies **onmicrosoft.com traffic** being sent externally so organizations can address this usage to avoid throttling.\n    * **DRS (Direct Send traffic)** : Identifies **Direct Send traffic** being received by the tenant to help organizations prepare to enable the **Reject Direct Send** setting.\n  * The report **does not modify mail flow** , enforcement behavior, or tenant configuration.\n  * The report is **enabled by default** for Exchange Online tenants.\n  * There is **no impact to users**.\n\n\n\n**[What you need to do to prepare]**\n\nNo action is required to prepare.\n\nHowever, Exchange administrators may want to:\n\n  * Review the **Change Optics report** once it becomes available during public preview.\n  * Use the report findings to:\n    * Identify and reduce reliance on **onmicrosoft.com external email usage**.\n    * Assess **Direct Send traffic** and plan for enabling **Reject Direct Send** if appropriate.\n  * Update internal documentation or operational guidance related to mail flow best practices.\n\n\n\n**Learn more:** Change Optics Report released into Public Preview to showcase messages impacted by future changes | Exchange Team Blog\n\n**[Compliance considerations]**\n\n**Question**| **Answer**\n---|---\nDoes the change alter how admins can monitor, report on, or demonstrate compliance activities?| **Yes.** The Change Optics report introduces new**read-only administrative reporting** that provides visibility into message patterns related to future transport enforcement scenarios. No enforcement or policy changes occur.",
  "title": "MC1301802: Change Optics report for Exchange Online begins public preview",
  "updatedAt": "2026-05-06T00:00:07.603Z"
}