CmdID / PowerShell / Cmdlets / Disable
Disable-JournalArchiving
Use the Disable-JournalArchiving cmdlet to disable journal archiving for specific users. Exchange PowerShell reference
From the Exchange PowerShell reference 4 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the identity of the user's journal archive mailbox in Exchange Online.-Confirm, -cfThis parameter is reserved for internal Microsoft use.-PreserveMailUserThe PreserveMailUser switch specifies that you want to keep the mail user that's associated with the archive mailbox.-WhatIf, -wiThis parameter is reserved for internal Microsoft use.