Exchange 2010 Mailbox Cleanup via PowerShell

Looking for a way to run mailbox cleanup (similar to the Outlook feature) on specific mailboxes. We are running Exchange 2010 SP3.

This would remove redundant messages in an email chain as well as any duplicate message in the user mailbox.
Rammy CharlesSales EngineerAsked:
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Omid OmarkhailSenior Technical ConsultantCommented:
AmitIT ArchitectCommented:
Best to let user perform mailbox clean up. Archiving data into archive mailbox is the best way to perform any clean up.
Rammy CharlesSales EngineerAuthor Commented:
Thanks. Not just duplicates though, is there a way to run a cleanup on individual storage groups through Exchange with specific criterion (retention tags?) like deleting all unread messages in the Inbox that are older then 6 months?
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AmitIT ArchitectCommented:
Ya, you can use retention policy.
Rammy CharlesSales EngineerAuthor Commented:

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