MC1515939 - Sending from Aliases

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Summary

Sending from Aliases is now generally available in Exchange Online, allowing users to send emails from any mailbox alias. Admins can enable it via PowerShell or Exchange Admin Center. Additional features are being explored, and no compliance issues have been identified.

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Published

Oct 19, 2026

Service

Exchange Online

Tag

New feature
User impact
Admin impact

More information

What and Why:

We're pleased to announce that Sending from Aliases is now generally available for Exchange Online. We are continuing to investigate additional capabilities, including per-alias display names, further filtering and default controls, and calendar support post GA. For more details on the feature, review the blog post below.

Rollout Schedule:

Available now.

Impact on Your Organization:

Who is affected:

  • Users and admins in organizations using Exchange Online.

What will happen:

  • This feature allows users to send emails from any alias configured on their mailbox, improving flexibility and reducing the need for workarounds.

Action Required/Recommendations:

Admins can enable this feature via PowerShell or the Exchange Admin Center Settings.

Learn more: Sending from Aliases is now generally available

Compliance considerations:

No compliance considerations identified. Review as appropriate for your organization.