Delete email alias from a distribution group with PowerShell

You can remove an alias address from a distribution group in Office 365 using PowerShell with the Set-DistributionGroup cmdlet. If you need to add an alias, see this post.

Here is an example to remove a single alias from a distribution group with PowerShell:

Set-DistributionGroup "TestGroup" -EmailAddresses @{remove="EmailToRemove@tachytelic.net"}

Fill the form below and copy the generated the PowerShell code:

Group Name:

Email Address to add:

You will be prompted for your Office 365 credentials and your session will be established and the email address will be removed from the distribution group.