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Office 365

How to remove O365 alternate email address

If you need to change the AlternateEmailAddresses to $null for a user account or tenant admin you cannot, however, it has to be an array as below.

To check if the user has any alternate email address setup, use below command:

 

Get-MsolUser -UserPrincipalName email[at]contorso.com

To set alternate email address for a user as $null use the below command:

Set-MsolUser -UserPrincipalName email[at]contorso.com -AlternateEmailAddresses @()​

The @() will create an empty array.

More details about empty PowerShell arrays here.

Adrian

Adrian

Senior Engineer at Computer Assistance Oxford

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