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 mail sending and unexpected exit issues, plus rare Excel and 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 a rare issue where Excel or PowerPoint could close unexpectedly while actively coauthoring, especially when opening a document for the first time.
Product Information

Vendor: Microsoft

Product: Microsoft 365 Apps

Version: Version 2605 (Build 20026.20076)

Release date: May 20, 2026

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