Microsoft Microsoft 365 Apps Updates

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

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New Release every
3 days
Critical fixes
1
Security-related releases
10%

Risk factor
A total of 21 updates have been released for Microsoft 365 Apps.

Smooth installs %
Minor issues %
Major issues %

Variants

Microsoft 365 Apps Current Channel
View 18 Updates
Microsoft 365 Apps Monthly Enterprise Channel
View 15 Updates
Microsoft 365 Apps Semi-Annual Enterprise Channel
View 6 Updates

Updates

Last updated: 17h ago

Version 2605 (Build 20026.20168) includes various fixes to functionality and performance.

Microsoft Microsoft 365 Apps Current Channel
06/09/2026
Version 2605 (Build 20026.20168)
Microsoft Microsoft 365 Apps Current Channel
06/09/2026
Version 2605 (Build 20026.20168)

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 2605 (Build 20026.20140) resolves an issue where images did not display when using Top and bottom text wrapping in classic Outlook.

Microsoft Microsoft 365 Apps Current Channel
06/03/2026
Version 2605 (Build 20026.20140)
Microsoft Microsoft 365 Apps Current Channel
06/03/2026
Version 2605 (Build 20026.20140)

Version 2605 (Build 20026.20112) includes various fixes to functionality and performance.

Microsoft Microsoft 365 Apps Current Channel
05/26/2026
Version 2605 (Build 20026.20112)
Microsoft Microsoft 365 Apps Current Channel
05/26/2026
Version 2605 (Build 20026.20112)

Version 2605 (Build 20026.20076) resolves Outlook and Office stability issues. It fixes mail sending with multiple Exchange accounts, unexpected Outlook exits when loading Viva Engage or Viva Insights emails, and rare Excel or PowerPoint crashes during coauthoring.

Microsoft Microsoft 365 Apps Current Channel
05/20/2026
Version 2605 (Build 20026.20076)
Microsoft Microsoft 365 Apps Current Channel
05/20/2026
Version 2605 (Build 20026.20076)

Version 2605 (Build 20026.20076) resolves Outlook mail sending and unexpected exit issues, plus rare Excel and PowerPoint crashes during coauthoring.

Microsoft Microsoft 365 Apps Current Channel
05/20/2026
Version 2605 (Build 20026.20076)
Microsoft Microsoft 365 Apps Current Channel
05/20/2026
Version 2605 (Build 20026.20076)

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 2508 (Build 19127.20648) includes various fixes to functionality and performance.

Microsoft Microsoft 365 Apps Semi-Annual Enterprise Channel
05/14/2026
Version 2508 (Build 19127.20648)
Microsoft Microsoft 365 Apps Semi-Annual Enterprise Channel
05/14/2026
Version 2508 (Build 19127.20648)

Version 2604 (Build 19929.20172) resolves an Outlook issue where sending mail failed when multiple Exchange accounts were configured.

Microsoft Microsoft 365 Apps Current Channel
05/14/2026
Version 2604 (Build 19929.20172)
Microsoft Microsoft 365 Apps Current 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 2508 (Build 19127.20646) includes security updates for Microsoft 365 Apps. Security updates are listed in the Microsoft 365 Apps security updates page.

security Microsoft Microsoft 365 Apps Semi-Annual Enterprise Channel
05/12/2026
Version 2508 (Build 19127.20646)
security Microsoft Microsoft 365 Apps Semi-Annual Enterprise Channel
05/12/2026
Version 2508 (Build 19127.20646)

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 19822.20240) 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 2604 (Build 19929.20164) includes security updates for Microsoft 365 Apps.

security Microsoft Microsoft 365 Apps Current Channel
05/12/2026
Version 2604 (Build 19929.20164)
security Microsoft Microsoft 365 Apps Current Channel
05/12/2026
Version 2604 (Build 19929.20164)

Version 2604 (Build 19929.20136) resolves an Outlook crash that could occur after replying to a labeled email.

Microsoft Microsoft 365 Apps Current Channel
05/05/2026
Version 2604 (Build 19929.20136)
Microsoft Microsoft 365 Apps Current Channel
05/05/2026
Version 2604 (Build 19929.20136)

Version 2604 (Build 19929.20106) includes various fixes to functionality and performance.

Microsoft Microsoft 365 Apps Current Channel
04/29/2026
Version 2604 (Build 19929.20106)
Microsoft Microsoft 365 Apps Current Channel
04/29/2026
Version 2604 (Build 19929.20106)

Version 2604 (Build 19929.20090) includes various fixes to functionality and performance.

Microsoft Microsoft 365 Apps Current Channel
04/21/2026
Version 2604 (Build 19929.20090)
Microsoft Microsoft 365 Apps Current Channel
04/21/2026
Version 2604 (Build 19929.20090)

Version 2603 (Build 19822.20182) includes security updates and a new PowerPoint feature that lets Microsoft 365 Copilot users create, edit, and refine presentations through natural conversation while preserving formatting and branding.

security Microsoft Microsoft 365 Apps Current Channel
04/14/2026
Version 2603 (Build 19822.20182)
security Microsoft Microsoft 365 Apps Current Channel
04/14/2026
Version 2603 (Build 19822.20182)