Understanding The Microsoft 365 Mailbox Usage Report
The Mailbox usage report provides critical insights into how your organization utilizes Microsoft 365 email. It empowers you to monitor user activity, track storage consumption, and proactively manage quotas to ensure optimal performance.
This report is accessible within the Microsoft 365 admin center, offering a comprehensive view of user mailboxes, including shared mailboxes. The data includes email send/read activity, appointment management, and storage details, providing valuable data for administrative decision-making and proactive management of your email environment.
Accessing How to Find the Mailbox Usage Report
Navigating to the Mailbox usage report is straightforward. Within the Microsoft 365 admin center, go to Reports > Usage. Then, under Email activity, select Exchange > Mailbox usage.
This path allows you to quickly access the report and begin analyzing your organization's email data. The report's interface is designed for ease of use, allowing you to quickly understand key metrics and identify areas for optimization.
Interpreting Key Metrics and Charts in the Mailbox Usage Report
The report presents data through various charts and tables, providing different perspectives on your mailbox usage. The Mailbox chart displays the total number of active mailboxes, while the Storage chart shows storage consumption by mailbox type.
The Quota chart categorizes mailboxes based on their storage usage, and the per-mailbox table gives you detailed insights for each user. The ability to filter data over different date ranges (7, 30, 90, and 180 days) and to focus on shared mailboxes enhances its utility.
“Stay informed, stay efficient. Microsoft 365 mailbox reports are your key to optimizing email performance.
Microsoft 365 Administrator
Interactive Insights
Explore the features to gain deeper insights.
Chart Filtering
Filter data based on various parameters.
Data Export
Export your data in a CSV file
Detailed Exploring the Mailbox Usage Table
The per-mailbox table provides a granular view of each user's mailbox activity. It includes details like recipient type, user name, display name, create date, last activity date, item count, storage used, and quota information.
This level of detail is invaluable for identifying high-usage mailboxes, managing storage effectively, and optimizing email performance within your organization. Customize the columns displayed to focus on the most relevant data points for your analysis.