![]() Recipient: You can narrow the search for specific recipients by clicking the Add recipient button next to the Recipient field. When you're done with your selections, click OK. In this box, wildcards are supported for email addresses in the format: When specifying a wildcard, other addresses can't be used. To add senders who aren't on the list, type their email addresses and click Check names. In the subsequent dialog box, select one or more senders from your company from the user picker list and then click Add. Sender: You can narrow the search for specific senders by clicking the Add sender button next to the Sender field. Note: Be sure to include the full Message ID string. As a result, there's a possibility that you may get results for multiple messages when querying upon a single Message ID. This ID should be unique however, not all sending mail systems behave the same way. The form of this ID varies depending on the sending mail system. Users can provide you with this information in order to investigate specific messages. Message ID: This is the Internet message ID (also known as the Client ID) found in the message header in the Message-ID: header field. *If you're searching for messages that are older than 7 days, you can't select Pending or Unknown. When the results of the query are listed, the delivery details fields won't contain any information. Unknown *: The message delivery status is unknown at this time.Filtered as spam: The message was delivered to the Junk Email folder.Expanded: The message was sent to a distribution list and was expanded so the members of the list can be viewed individually.Pending *: Delivery of the message is being attempted or re-attempted.For example, if the message was determined to contain malware. Either it was attempted and failed or it wasn't delivered as a result of actions taken by the filtering service. Delivered: The message was successfully delivered to the intended destination.Leave the default value of All to cover all statuses. For custom searches you can also change the time zone, in Coordinated Universal Time (UTC).ĭelivery status: Using the drop-down list, select the status of the message you want to view information about. You can also select a custom time frame that includes any range within the past 90 days. You can click Search to retrieve all message trace data over the default time period, which is the past 48 hours.ĭate range: Using the drop-down list, select to search for messages sent or received within the past 24 hours, 48 hours, or 7 days. None of these fields are required for messages that are less than 7 days old. In the EAC, go to Mail flow > message trace.ĭepending on what you're searching for, you can enter values in the following fields. If you're a Microsoft 365 or Office 365 for business admin, see Contact support for business products - Admin Help. Visit the forums at Exchange Online or Exchange Online Protection. Having problems? Ask for help in the Exchange forums. To see what permissions you need, see the "Message trace" entry in the Feature permissions in Exchange Online topic.įor information about keyboard shortcuts that may apply to the procedures in this topic, see Keyboard shortcuts for the Exchange admin center. You need to be assigned permissions before you can perform this procedure or procedures. To find and open the classic EAC, see Exchange admin center in Exchange Online. What do you need to know before you begin? CSV file.įor a video walkthrough of message trace and other mail flow troubleshooting tools, see Find and fix email delivery issues as a Microsoft 365 or Office 365 for business admin. If a message is more than seven days old, you can only view the results in a downloadable. ![]() Message trace data is available for the past 90 days. After running the message trace, you can view the results in a list, and then view the details about a specific message. The Exchange message trace link in the Microsoft Defender portal opens message trace in the modern EAC.Īs an administrator, you can find out what happened to an email message by running a message trace in the Exchange admin center (EAC). ![]() For more information, see Message trace in the modern Exchange admin center. Message trace is available in the modern Exchange admin center.
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