How do I delete emails in all inboxes using PowerShell?

Sergey Ryzhkin 21 Reputation points
2022-03-09T05:59:39.053+00:00

Hello!
Can't delete files found by search.
Created a search, checked that it was created and completed, using the command - Get-ComplianceSearch
Result:

PS C:\WINDOWS\system32> Get-ComplianceSearch -Identity "search3"| FL name,items,size,jobprogress,status

Name        : search3
Items       : 19000
Size        : 6242776347
JobProgress : 100
Status      : Completed

Next, I ran the uninstall with the command:
New-ComplianceSearchAction -SearchName "search3" -Purge -PurgeType SoftDelete (I also tried HardDelete).
Result:

PS C:\WINDOWS\system32> Get-ComplianceSearchAction -Identity "search3_Purge"

Name          SearchName Action RunBy              JobEndTime         Status
----          ---------- ------ -----              ----------         ------
search3_Purge search3    Purge  Администратор О365 09.03.2022 5:11:23 Completed

After that, I ran the search again to check, but nothing was removed. The files are still there. I went into the user's mailboxes, the letters have not gone away.

PS C:\WINDOWS\system32> Get-ComplianceSearch -Identity "search3"| FL name,items,size,jobprogress,status

Name        : search3
Items       : 19000
Size        : 6242776503
JobProgress : 100
Status      : Completed

How do I delete emails in all inboxes using PowerShell?

Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
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Accepted answer
  1. Vasil Michev 96,836 Reputation points MVP
    2022-03-09T07:39:44.177+00:00

    Get-ComplianceSearch is really not intended for mass delete scenarios, as you can remove only 10 items at a time. The good old Search-Mailbox cmdlet is still available and will do the trick.
    Other than that, you need to understand that messages are not immediately deleted even with HardDelete switch, as there are functionalities such as Single item recovery, retention and holds at play. Refer to this article for information on all the "moving parts": https://learn.microsoft.com/en-us/microsoft-365/compliance/delete-items-in-the-recoverable-items-folder-of-mailboxes-on-hold?view=o365-worldwide


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