- If sensitive information is accidentally emailed to a large group of users
- If messages that contain malware or spam are spreading through the environment
- If mail is sent to many recipients, and replies or forwards of the message cause some delay in normal mail delivery
Note This process is also known as a message purge.
Permissions requiredLegacy Dedicated
Refer to the applicable self-service guide at Office 365 Dedicated Release Collateral.
To complete this task, the Discovery Management role group is required.
For more information about permissions in vNext to perform self-service tasks, see the following TechNet articles:
The process steps are the same for both legacy Dedicated and vNext customers. To preview a log of the messages that are found in the search before they're deleted, run the Search-Mailbox cmdlet by using the /LogOnly switch.
For more information, see Search and delete messages.
vNext customers should use the Office 365 Security & Compliance Center (previously known as the Protection Center or Compliance Center) by using the Office 365 Advanced eDiscovery. For more information, see:
Article ID: 3140334 - Last Review: 9 Jun 2017 - Revision: 2