Overview

Radar reporting offers many types of reports, including the Mail Traffic by User report. In Office 365, there’s a similar looking report for email activity in the Reports > Usage section.
However, numbers from those two reports are often quite different, which leads to question, “Why?” This KB explains why their data differs.

Details

The classic method of measuring email traffic was to analyze the message traffic logs and count the number of messages sent and received by individuals. Since the move to the cloud and the advent of the Graph, Microsoft has moved to using signals collected about user activity, which leads you to measurements like the number of times someone sends a message (the same as in the message traffic logs) and the number of times someone reads a message (this could vary a lot since some messages are read more than once).

Office365 > Reports > Usage > Email Activity

This reports doesn’t provide the number of emails received or sent. It works with metrics Action. Today’s working environment consists of computers, mobile devices, and tables. The same email can be read on any of these types of devices. This leads to multiple receiving and reading actions for the same email. Lastly, it’s often observed that it contains “lagged” data, often by a week or more.

Note: A link to this report is listed in Reference section.

Radar Reporting > Mail Traffic > Mail Traffic by User

Radar uses the classic method of measuring email traffic. It analyzes the message traffic logs and counts the number of messages sent and received by individuals. For that reason, it’s better (and more logical) to work with actual events, rather than trying to interpret signals. An email is an email – created, sent, and read.
There is value in the message trace reports, as they give granularity and additional details not available in the Office 365 reports.

Reference

Mail Traffic by User:

Mail Traffic by User


Office365 > Reports > Usage > Email Activity

Email activity

 

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