MC1249427 High Major change

(Updated) Retirement of the Semi-Annual Enterprise Channel option in the Office Customization Tool

  • Admin

Summary AI-generated

Retiring the Semi-Annual Enterprise Channel from the Office Customization Tool and Configuration Manager; only Current and Monthly Enterprise Channels will be available for new configs.

Suggested actions AI-generated

  • Notify deployment teams of change
  • Update internal documentation
  • Review existing deployment configs

Written by Azure OpenAI (gpt-4.1) from the text of the post below. It can be incomplete or wrong; the original post is authoritative.

Original post from Microsoft

Updated April 9, 2026: We have updated the timeline. 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 15, 2026 (previously April 6), and expect to complete the retirement by April 20, 2026 (previously April 11).

[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.

Additional details from Microsoft

Summary
The Semi-Annual Enterprise Channel option will be retired from the Office Customization Tool starting April 15, 2026, completing by April 20, 2026. Existing configurations remain unchanged, but new deployments will only offer Current Channel and Monthly Enterprise Channel options. No admin action is required.