Tag Archives: powershell command for email external tagging

Turn on the external email tagging feature at Exchange online

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  1. Load the exchange online module on PowerShell.
    Click here to know more
  2. Turn on external tagging.
    The following command will enable external tagging for the whole organization.
    Set-ExternalInOutlook -Enabled $true

You could also omit senders and domains from the external tagging feature.

For example, to omit admin@contosso.com, I would enter the following:

Set-ExternalInOutlook -AllowList admin@contosso.com

To omit the whole domain

Set-ExternalInOutlook -AllowList “microsoft.com”, “apple.com” – Enabled $True