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When will my device receive the latest Microsoft 365 Version 2512 update?
Deployment Alert: Microsoft 365 Version 2512 (Current Channel)
Microsoft has initiated the deployment of Microsoft 365 Version 2512. This update targets the Current Channel. The release officially began on January 8, 2026. Administrators should identify this update by the specific build number: 19530.20138. This information aligns with data found in the Microsoft 365 Message Center under post MC1215899.
Technical Specifications and Verification
IT professionals must verify current installations against the official Update History page. Version 2512 (Build 19530.20138) represents the latest stable build for the Current Channel. This build applies specifically to Click-to-Run (C2R) installations. This includes Microsoft 365 Apps and retail versions of Office 2019. You can locate the specific binaries and deployment packages within the Microsoft Update Catalog.
Rollout Strategy and Availability
Microsoft utilizes a gradual rollout strategy. Users in the Current Channel receive updates in stages starting from January 8, 2026. This phased approach ensures stability across the network. Consequently, not all endpoints will detect the update immediately. You should monitor your environment over the coming days as availability expands to all eligible devices.