As new data is added to a matter, conversation threads may change and what was previously the "longest thread" may no longer be. After processing new data into the matter, right-click on Collections and select "Retain only longest threads" to remove all intermediate emails in the entire matter. This option is also available on an individual collection if preferred.
Retain only longest threads will remove from Review any email for which there are additional forwards/replies.
Any intermediate email with an attachment not appearing in the final thread will remain in review for documents which meet the policy requirements.
Confirm the choice to remove intermediate emails from Review:
The results will be reported:
To reverse the action, go to Process -> Policy and select "Restore suppressed thread group members":
