Microsoft Microsoft 365 Apps Monthly Enterprise Channel Updates

Here you will find all software, firmware, and hardware updates from Microsoft Microsoft 365 Apps Monthly Enterprise Channel.

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New Release every
8.5 days
Critical fixes
7
Security-related releases
70%

Risk factor
A total of 0 users have rated 0 of 15 updates for Microsoft 365 Apps Monthly Enterprise Channel.

Smooth installs 0%
Minor issues 0%
Major issues 0%

Updates for Microsoft Microsoft 365 Apps Monthly Enterprise Channel

Version 2605 (Build 20026.20166), Version 2604 (Build 19929.20220), and Version 2603 (Build 19822.20288) were released on 2026-06-09. Version 2605 includes functionality and performance fixes, while Versions 2604 and 2603 include security updates.

security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
06/09/2026
Version 2605 (Build 20026.20166)
security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
06/09/2026
Version 2605 (Build 20026.20166)

Version 2603 (Build 19822.20254) includes various fixes to functionality and performance.

Microsoft Microsoft 365 Apps Monthly Enterprise Channel
05/19/2026
Version 2603 (Build 19822.20254)
Microsoft Microsoft 365 Apps Monthly Enterprise Channel
05/19/2026
Version 2603 (Build 19822.20254)

Version 2602 (Build 19725.20346) includes various fixes to functionality and performance.

Microsoft Microsoft 365 Apps Monthly Enterprise Channel
05/15/2026
Version 2602 (Build 19725.20346)
Microsoft Microsoft 365 Apps Monthly Enterprise Channel
05/15/2026
Version 2602 (Build 19725.20346)

Version 2604 (Build 19929.20172) includes various fixes to functionality and performance.

Microsoft Microsoft 365 Apps Monthly Enterprise Channel
05/14/2026
Version 2604 (Build 19929.20172)
Microsoft Microsoft 365 Apps Monthly Enterprise Channel
05/14/2026
Version 2604 (Build 19929.20172)

Version 2604 (Build 19929.20162) includes security updates and resolves issues in Access and Outlook. Fixes address incorrect datasheet records in SQL Server, Outlook crashes after replying to labeled mail, and meeting update persistence problems.

security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
05/12/2026
Version 2604 (Build 19929.20162)
security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
05/12/2026
Version 2604 (Build 19929.20162)

Version 2603 (Build 19822.20240) includes security updates for Microsoft 365 Apps. Security details are listed in the Microsoft 365 Apps security updates page.

security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
05/12/2026
Version 2603 (Build 19822.20240)
security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
05/12/2026
Version 2603 (Build 19822.20240)

Version 2602 (Build 19725.20320) includes security updates for Microsoft 365 Apps. Security updates listed here.

security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
05/12/2026
Version 2602 (Build 19725.20320)
security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
05/12/2026
Version 2602 (Build 19725.20320)

Version 2603 (Build 19822.20180) adds Copilot editing and refinement in PowerPoint for Microsoft 365 Copilot users. It also includes security updates and fixes for Outlook accessibility, PowerPoint stability, and Word Copilot drafting behavior.

security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
04/14/2026
Version 2603 (Build 19822.20180)
security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
04/14/2026
Version 2603 (Build 19822.20180)

Version 2602 (Build 19725.20244) includes security updates for Microsoft 365 Apps. Security updates listed here.

security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
04/14/2026
Version 2602 (Build 19725.20244)
security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
04/14/2026
Version 2602 (Build 19725.20244)

Version 2512 (Build 19530.20282) includes security updates for Microsoft 365 Apps.

security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
04/14/2026
Version 2512 (Build 19530.20282)
security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
04/14/2026
Version 2512 (Build 19530.20282)

Version 2602 (Build 19725.20170) adds Copilot Chat and Excel Agent Mode support for local Excel files, plus Agent mode in Word. It also includes security updates and fixes for OneNote crashes and Outlook calendar character rendering.

Microsoft Microsoft 365 Apps Monthly Enterprise Channel
03/10/2026
Version 2602 (Build 19725.20170)
Microsoft Microsoft 365 Apps Monthly Enterprise Channel
03/10/2026
Version 2602 (Build 19725.20170)

Version 2602 (Build 19725.20170) adds local file support for Copilot Chat and Excel Agent Mode in modern Excel workbooks, plus Agent mode in Word. It also includes security updates and fixes for OneNote and Outlook.

security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
03/10/2026
Version 2602 (Build 19725.20170)
security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
03/10/2026
Version 2602 (Build 19725.20170)

Version 2512 (Build 19530.20260) includes security updates for Microsoft 365 Apps. Security updates listed here.

security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
03/10/2026
Version 2512 (Build 19530.20260)
security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
03/10/2026
Version 2512 (Build 19530.20260)

Version 2511 (Build 19426.20314) includes security updates for Microsoft 365 Apps. Security updates listed here.

security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
03/10/2026
Version 2511 (Build 19426.20314)
security Microsoft Microsoft 365 Apps Monthly Enterprise Channel
03/10/2026
Version 2511 (Build 19426.20314)

Version 2512 (Build 19530.20226) includes security updates, a OneNote proofing language improvement, and fixes for Outlook, Excel, PowerPoint, and Word. It also adds the `Office.context.mailbox.ews.diagnostics.getTokenStatusAsync` API for Outlook event-based add-ins.

Microsoft Microsoft 365 Apps Monthly Enterprise Channel
02/10/2026
Version 2512 (Build 19530.20226)
Microsoft Microsoft 365 Apps Monthly Enterprise Channel
02/10/2026
Version 2512 (Build 19530.20226)