This is a super quick one. To apply an External tag to all emails from external senders in Exchange Online, simply execute the following one-liner in PowerSh...
This is a super quick one. To apply an External tag to all emails from external senders in Exchange Online, simply execute the following one-liner in PowerShell
Set-ExternalInOutlook -Enabled $trueThe External tag then shows up in Outlook - Windows, Mac and on the web.
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