Microsoft Microsoft 365 Apps Current Channel Update Version Version 2605 (Build 20026.20076)
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Update Summary
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.
Update Details
Bug Fixes
- Fixed an issue where sending mail failed when multiple Exchange accounts were configured.
- Fixed an issue that caused Outlook to exit unexpectedly when loading emails from Viva Engage or Viva Insights.
- Fixed an issue where Excel or PowerPoint closed unexpectedly in rare cases while actively coauthoring, particularly when opening a document for the first time.
Product Information
Vendor: Microsoft
Product: Microsoft 365 Apps
Product type: Other
Platform: Windows
Variant: Current Channel
Version: Version 2605 (Build 20026.20076)
Vendor information published: May 20, 2026
Original release notes: View on vendor site
Published on updatealert.io: Jun 4, 2026
Description: Office productivity applications for business communication and document work.