https://learn.microsoft.com/en-us/powershell/module/exchangepowershell/get-externalinoutlook?view=exchange-ps&ref=blog-internal.meetingroom365.com
Get-ExternalInOutlook (ExchangePowerShell) | Microsoft Learn
The important properties that are returned in the output of this cmdlet are: Enabled: True means the feature is enabled; False means the feature is disabled....
getmicrosoftlearn