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Microsoft 365 Exchange Online Mailbox Usage & Inactivity Reporting

Nowadays, it is requisite for admins to monitor all mailboxes and their usage to identify inactive mailboxes and prevent excessive storage consumption . If the Office 365 mailbox storage is full, users will no longer be able to send or receive emails from their mailbox. So, admins should verify and manage the mailbox storage regularly. AdminDroid Exchange Online reporting tool paves the way for effective mailbox usage management by providing detailed insights about mailbox size, warning quota, email app usage, inactive mailboxes, etc.

AdminDroid provides an easy way to export the reports to







Don't wait for cyberattacks - prevent them with proactive AdminDroid alerts.

Intelligently compares past trend of events and picks out oddities.
More than 1400 alertable events audited regularly.
Admin specific alerts curated to defend org-level breaches.
Set thresholds to detect strange spikes in exploitable activities.
Not just alert mails – drill down data to find what went wrong.

Granular Delegation – Completely control who can see what in AdminDroid.

Delegate Executive Summary dashboards to CEO.
Empower Managers with their Team-specific stats.
Customized AdminDroid portal for each department.
Don’t make your License Admin wait for the reports – Just Delegate!
Nothing less, nothing more – ‘Preview’ to ensure perfect delegation.

The reports are not just tables! Every report ramped up with AI-powered graphs.

Locate user activities from unusual locations.
Visualize user inactivity trends with heat maps.
Let AI bring your data to life with dynamic donuts, Pies, and Bars.
Drill down the charts and make sense of complex data.

What you see in dashboards – just stats and counts; what we process beneath - millions of records!

Dashboard counts are not just numbers – drill down details behind, right on dashboard.
We connected the dots between reports – Result: unimaginable holistic picture.

Customizing reports is now a piece of cake when you have the below features.

Merge columns from different reports to get your perfect report.
Infinite number of filters available to slice and dice a report.
You can export, email and schedule the customized reports to be emailed automatically.

Are important columns jumbled in different O365 admin center reports?

No more missing pieces with AdminDroid’s mergeable columns.
No column left behind - filter columns that are not even available in report.

Schedule reports once and let AdminDroid do the rest.

Save time and effort by automating O365 reports distribution.
Don't waste time opening attachments - Get quick overview with email previews.
Avoid cluttered inbox with empty report blocking.
Bypass attachment size limits with downloadable links.

Say goodbye to finding PowerShell scripts forever with Admindroid's handy ReportBoards.

No more locating reports! Just name your use-case, we’ll show you the reports!
Export or email all the reports for your use-case in one go.

Never miss a beat with AdminDroid's seamless data syncing from Office 365.

Effortlessly stay up-to-date with AdminDroid's regularly synced data.
Manual sync triggers available to give you the total control.
Track sync progress to ensure that you stay ahead of the game with fresh data.

Stay in the loop with AdminDroid's Activity Tracker.

Monitor user activities in AdminDroid to stay compliant.
Ultimate detective to trace back critical user events in AdminDroid.
Microsoft 365 Exchange Online Mailbox Usage & Inactivity Reporting
Deleted Items Total number ofdeleted itemsand its sizein the tenant Total ArchiveSize Size of thetotal archivemailboxes in theorganization Over WarningQuota Number ofMicrosoft 365mailboxes withover warningquota Over Quota Count ofMicrosoft 365mailboxes thathave exceededstorage quota TotalMailbox Size Overall size ofExchange Onlinemailboxes usedover time Mailbox Items Total number ofmailbox itemsavailable in thetenant

Mailbox Usage Dashboard

Get a comprehensive analysis of top inactive mailboxes, top storage consumed mailboxes with their percentage, daily active vs inactive trend, and more.

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