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MC1249427 Plan for changeMajor changeUpdated messageUser impactAdmin impactRetirement

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

Microsoft 365 Message Center Archive by Merill Fernando · Microsoft may not have sent this notice to your tenant.
Microsoft 365 apps
Microsoft 365 admin center

Schedule dates changed in the text

Date phrases in schedule sentences differ between the versions this installation saw
  • Seen 9 Apr 2026 April 6, 2026, April 11, 2026 → April 15, 2026, April 20, 2026

Read from date phrases in Microsoft's text, not from notice metadata. A changed phrase can be a moved rollout, a new milestone or just rewording; "What changed" below shows which.

What the notice says

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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: Notify relevant admins or deployment teams of this upcoming change. Update internal documentation if it references the Semi-Annual Enterprise Channel as a selectable option. Review your existing configurations in the Office Customization Tool if you plan to transition to a different update channel going forward. If desired, use this Microsoft Learn resource to plan channel migration: Change the Microsoft 365 Apps update channel for devices in your organization | Microsoft 365 | Microsoft Learn. Compliance considerations No compliance considerations identified. Review as appropriate for your organization.

What changed

Between archive captures, newest first

  1. Updated March 19,April 9, 2026: We have updated the content.timeline. Thank you for your patience.  Introduction We’re retiring the Semi-Annual Enterprise Channel … updates. When this will happen We will begin retiring this option on April 15, 2026 (previously April 6, 2026, 6), and expect to complete the retirement by  April 20, 2026 (previously April 11, 2026.11). How this affects your organization Who is affected Organizations that use the …

  2. Updated March 17,19, 2026: We have updated the timeline.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 apps admin center.Client Management experience in Configuration Manager. This retirement supports our ongoing efforts to simplify update channel management for … 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 …

    • Title Retirement of the Semi-Annual Enterprise Channel option in the Office Deployment Service → Retirement of the Semi-Annual Enterprise Channel option in the Office Customization Tool
    • Tags User impact, Admin impact, Retirement → Updated message, User impact, Admin impact, Retirement

    Updated March 17, 2026: We have updated the timeline. Thank you for your patience.  Introduction We’re retiring the Semi-Annual Enterprise Channel option from the Office Deployment Service Customization Tool in the Microsoft 365 apps admin center. This retirement supports our ongoing … this affects your organization Who is affected Organizations that use the Office Deployment Service or Office Customization ServiceCustomization Tool in the Microsoft 365 apps admin center to create deployment configurations for Microsoft 365 Apps. What will happen The … Channel as a selectable option. Review your existing configurations in the Office Deployment ServiceCustomization Tool if you plan to transition to a different update channel going forward. …

  4. · first version seen

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Sources read 27 Oct 04:34 UTC · 272 of 272 readable · 270 fully read · documentation 469/469 current

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