Office 365 Versions

Stay updated with the latest Microsoft 365 Apps releases across all update channels

- Update Channels
- Latest Version
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Important Notice

This site is not affiliated with Microsoft Corporation. Information is sourced from official Microsoft documentation and may include personal considerations. Refer to Microsoft's official documentation for authoritative information.

About This Site

Purpose, scope, and context

This site tracks Microsoft 365 Apps (formerly Office 365 ProPlus) releases across the main update channels. It provides a consolidated view of version numbers, builds, and key lifecycle dates so you can quickly assess currency and plan deployment rings.

  • What you get: Latest version per channel + full channel histories
  • Data freshness: Timestamp shown (UTC + local tooltip)
  • JSON API: Simple endpoints for automation / dashboards
  • Visual cues: Relative recency indicators & styled tags
  • Use cases: Patch status checks, tenant hygiene reviews
  • Audience: IT admins, deployment engineers, security teams
  • Approach: Read‑only aggregation of Microsoft‑published data
  • Scope: Client channel metadata (not feature release notes)
Key Concept: Update Channels

"Microsoft 365 Apps" is the subscription, continuously serviced edition of the Office desktop apps. Update channels exist so organizations can balance speed of feature delivery vs predictability and validation time.

Learn more about update channels

Latest Office 365 Versions

Current releases across all update channels

Channel / Details Version Build Latest Release First Available End of Service

Current Channel

Latest features as soon as ready

Get the newest Office features as soon as they're released. Updated multiple times per month.

View Current Channel

Monthly Enterprise

Predictable monthly updates

New features once a month on a predictable schedule for enterprise environments.

View Monthly Enterprise

Semi-Annual Enterprise

Twice yearly updates

Feature updates twice per year for organizations that need extended testing periods.

View Semi-Annual

Developer API

Programmatic access to version data

Access Office 365 version data programmatically through our REST API.

API Documentation JSON Data

Data Sources

Official Microsoft documentation

All information is sourced from official Microsoft release notes and update documentation.

Update Channels Update History