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Office 365 mailbox size reports

These reports provide a comprehensive view of all information pertaining to Exchange Online mailbox sizes in your organization. With real-time data on several aspects from end-user quotas to email consumption and activity levels, the reports help you prevent out-of-control mailboxes.

Office 365 mailbox size reports help you efficiently plan capacity and support administrative decisions, thereby ensuring smooth operations. These reports can also be scheduled to run at fixed intervals, emailed to administrators, and exported to multiple formats such as CSV, XLS (Microsoft Excel), PDF (Adobe Acrobat), or HTML.

The reports in this category are:

  • Mailbox size
  • Mailbox size restrictions
  • Current mailbox size vs quota

Mailbox size

O365 Manager Plus Mailbox Size Report

This report returns a current list of all Office 365 mailboxes in the selected Office 365 environment, along with their respective sizes and counts.

It also includes the number of items in each mailbox, the size of all items in a particular mailbox, the total size of the message table, and the available size of message table.

Furthermore, it sorts the top 10 mailboxes by size and displays them on a bar graph.

Mailbox size restrictions

O365 Manager Plus Mailbox Size Restrictions Report

Imposing mailbox size restrictions makes it easier for administrators to make sure their users don't consume too much server storage space.

This report displays a list of all users with the mailbox quota limits set for Issue Warning, Prohibit Send, and Prohibit Receive. It also displays metrics such as the size of the archive, quota assigned to the archive, and archive warning based on quota consumption.

Current mailbox size vs quota

O365 Manager Plus Mailbox Size Quota Report

This report displays a list of all mailboxes and their current sizes compared to their allocated quotas.

It also provides a real-time graph of the top 10 mailboxes based on quota consumption, which allows administrators to ensure efficient mailbox management and prevent consumption from surpassing the specified quota.

A holistic Office 365 management and reporting solution
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