MC1249427 - Retirement of the Semi-Annual Enterprise Channel option in the Office Customization Tool

Service

Microsoft 365 apps

Last Updated

Mar 19, 2026

Published Mar 12, 2026

Tag

Major change
Updated message
User impact
Admin impact
Retirement

Summary

The Semi-Annual Enterprise Channel option will be retired from the Office Customization Tool and Configuration Manager between April 6-11, 2026. Existing configurations remain unchanged, but new deployments can only use Current Channel or Monthly Enterprise Channel. No admin action is required, but notifying teams and updating documentation is advised.

More information

Updated March 19, 2026: We have updated the content. Thank you for your patience. 

Introduction

We’re retiring the Semi-Annual Enterprise Channel option from the Office Customization Tool in the Microsoft 365 apps admin center and in the Microsoft Office 365 Client Management experience in Configuration Manager. This retirement supports our ongoing efforts to simplify update channel management for Microsoft 365 Apps and ensure customers benefit from the most secure, up-to-date experience. We will continue to invest in the Monthly Enterprise Channel and Current Channel, which offer more frequent security and feature updates.

When this will happen

We will begin retiring this option on April 6, 2026, and expect to complete the retirement by April 11, 2026.

How this affects your organization

Who is affected

  • Organizations that use the Office Customization Tool in the Microsoft 365 apps admin center to create deployment configurations for Microsoft 365 Apps.
  • Organizations that use the Microsoft Office 365 Client Management experience in Configuration Manager.

What will happen

  • The Semi-Annual Enterprise Channel will be removed from the list of available update channel options when creating new deployment configurations.
  • Deployment configurations you have already created that use Semi-Annual Enterprise Channel will continue to retain that value when viewed or edited; however, it will not be available as a selectable option for new configurations.
  • Only Current Channel and Monthly Enterprise Channel will be available for new configuration creation.
  • There is no impact to devices currently configured for Semi-Annual Enterprise Channel.

What you can do to prepare

No admin action is required for this retirement. You may choose to:

Compliance considerations

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