Mailbox quotas Archives - Office 365 for IT Pros

How to Report Exchange Online Mailbox Quota Usage Over a Set Threshold

Posted on September 30, 2019September 24, 2023 by Tony Redmond

Some Exchange Online mailboxes are quite small (2 GB for frontline users). Tenant administrators might want to monitor mailbox usage to make sure that quotas aren’t unexpectedly exhausted. This post explains how to use a PowerShell script to calculate the percentage of mailbox quota used and highlight the problem if a threshold is passed.

Teams Compliance Records and Frontline Office 365 Accounts

Posted on July 3, 2019November 28, 2019 by Tony Redmond

Teams does a good job of storing compliance records in Exchange Online mailboxes so that the data is available for Office 365 eDiscovery. But the number of records can impact the mailbox quotas of frontline workers, especially if they send graphics in personal and group chats. Here’s some PowerShell to help discover how much mailbox quota is being absorbed by compliance records.