How to Remove Thousands of Items from an Exchange Online Mailbox

A question asks how to remove a bunch of emails from a shared mailbox. You can use OWA to do the job, especially with its Cleanup Mailbox option, but perhaps some administrative action is needed.

Verifying Office 365 Administrator Access to User Data

Office 365 tenant administrators can use different ways to access user data. Shouldn’t you have a policy to govern that access?

Why Search-Mailbox Can’t Remove All Office 365 Content

The Search-Mailbox cmdlet is very powerful when it comes to removing items from Exchange Online mailboxes, but it can’t deal with other Office 365 content.