CmdID

CmdID / PowerShell / Cmdlets / Export

Export-Message

Use the Export-Message cmdlet to copy a message from a queue on a Mailbox server or an Edge Transport server to a specified file path in your organization. Exchange PowerShell reference

From the Exchange PowerShell reference 3 parameters Its page in the reference

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Parameters

3 in the Exchange PowerShell reference
-IdentityThe Identity parameter specifies the message.
-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.
-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.