Summary
- Microsoft has released new updates for Microsoft 365 Apps across the Current Channel, Monthly Enterprise Channel, and Semi-Annual Enterprise Channel.
- Organizations using Office CDN-based automatic updates should not need to take any action.
- Administrators who manage updates directly can download the new builds and begin deployment to their environments.
- Review the linked channel-specific release notes to understand the changes included in each update.
Primary Service: M365 Apps
Admin Impact: Low
User Impact: Low
Release Start: 08 Sept 2026
Release End: 08 Sept 2026
Services: M365 Apps
Category: Stay informed
Tags: Feature Update
History
9/9/2026 Item Added to Message Center
Microsoft Message
We’ve released updates to the following update channels for Microsoft 365 Apps:
- Current Channel
- Monthly Enterprise Channel
- Semi-Annual Enterprise Channel
Microsoft 365 Message Center ID: MC1469583
Last Modified: September 9, 2026
Category: Stay Informed
Tags: New feature
Status: Launched
Products & Platforms: Microsoft 365 apps
When this will happen
We’ll be gradually rolling out these updates of Microsoft 365 Apps to users on those update channels starting September 8th, 2026 (PST).
How this will affect your organization
If your Microsoft 365 Apps clients are configured to automatically update from the Office Content Delivery Network (CDN), then no action is required.
If you manage updates directly you can now download these latest updates and begin deployment.
What you need to do to prepare:
To get more details about these updates view the following release notes:
- Current Channel
- Monthly Enterprise Channel
- Semi-Annual Enterprise Channel