Semi-Annual Enterprise Channel
Stable, low-change release track (twice yearly)
Semi-Annual Enterprise Channel focuses on predictability and stability. New features are bundled and released only twice per year, allowing extended validation, training, and operational readiness.
- Feature cadence: Twice per year (Jan & Jul targets).
- Security updates: Monthly (Patch Tuesday).
- Non‑security fixes: As needed, usually monthly.
- Servicing lifecycle: 14 months per release (typical).
- Ideal for: Regulated / change‑averse environments.
- Adoption role: Final deployment ring.
- Risk profile: Lowest pace of feature change.
- Trade‑off: Delayed access to newest features.
Summarized from Microsoft official guidance. See Update channels overview.
Release History
Full version & build history for the Semi-Annual Enterprise Channel
Download estimates: Microsoft 365 Apps x64 en-US, from the stated source build to the build in each row. Actual downloads may differ by up to 50 MB; older starting builds or channel changes may require larger downloads. Missing transitions are not estimated. Microsoft source
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