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APPLIES TO: 
Meetings 
Events
Important
Licensing update for Teams Premium and Teams Enterprise
As of April 1, 2026, some features that were previously only available with Teams Premium are now included with Teams Enterprise. Teams Premium continues to offer advanced meeting protection, advanced communication (like the Queues app), branding and personalization, and intelligence capabilities. Learn more.
Customers who purchased Teams Premium licenses before April 1, 2026 will continue to have access to all the previously included Teams Premium features and product experiences included with these licenses until they expire.
To manage Teams Premium features, your tenant must have at least one active Teams Premium license.
Note
Some features described in this article are being rolled out to Teams Enterprise and might not be available in your organization yet.
Overview
You can control whether event organizers and co-organizers can edit email templates for their events. With email templates, organizers and co-organizers can manage waitlists, remind attendees about events they registered for, and provide clear instructions for attendees before, during, and after the event.
You can also configure the domain used to send event emails. Using a verified custom domain helps improve sender recognition and deliverability, and provides a more consistent experience.
Important
Starting February 1, 2026, organizations using premium custom HTML templates for Teams events email notifications must set up and verify their sending domain in Microsoft 365. Without this setup, custom templates can't be used, and event emails must originate from an authenticated, customer-owned domain.
Organizers and co-organizers can edit the following email communication templates:
- Registration confirmation
- Pending approval
- Waitlisting
- Registration rejected
- Registration cancellation
- Event cancellation
- Date and time update
- Event reminder
- Event recording available
Manage email communications for events
You can use the Teams admin center or PowerShell to manage whether organizers and co-organizers can edit email templates for their events.
| Teams admin center policy option | Parameter value in PowerShell | Behavior |
|---|---|---|
| On | Enabled | This is the default value. Organizers and co-organizers can edit all email templates for their events. |
| Off | Disabled | Organizers and co-organizers can’t edit any email templates for their events. |
Using the Teams admin center
To manage whether organizers and co-organizers can edit email templates for their events, follow these steps:
- In the left navigation of the Teams admin center, go to Meetings > Events policies.
- Select an existing policy or create a new one.
- Turn the Customize event emails toggle On or Off.
- Select Save.
Using PowerShell
Use the -AllowEmailEditing parameter in the CsTeamsEventsPolicy PowerShell cmdlet to control whether organizers and co-organizers can edit email templates.
The following example turns off -AllowEmailEditing so organizers and co-organizers can't edit email templates:
Set-CsTeamsEventsPolicy -Identity <policy name> -AllowEmailEditing Disabled
To learn more about the -AllowEmailEditing parameter, see the following articles:
- Set-CsTeamsEventsPolicy
- New-CsTeamsEventsPolicy
- Grant-CsTeamsEventsPolicy
- Get-CsTeamsEventsPolicy
- Remove-CsTeamsEventsPolicy
Set up a custom domain for event emails (recommended)
For a more professional and reliable communication experience, admins can configure Teams events email notifications to be sent from a verified custom domain instead of Microsoft default addresses. This helps:
- Improve sender recognition and branding for attendees.
- Increase email deliverability and reduce spam classification.
- Build greater trust for external audiences receiving invitations and updates.
While events can function without a custom domain, emails are sent from Microsoft-provided addresses that might be less recognizable to recipients. Using a custom domain ensures a more consistent and enterprise-ready experience, especially for large-scale or external events.
Admins can configure this setting in the Microsoft 365 admin center by selecting a verified domain for sending system notifications. For steps, see Select the domain to use for email from Microsoft 365 products.
Platform support
To view the list of platforms that support this feature, see Platform support for Teams events features.