Microsoft Microsoft 365 Apps Monthly Enterprise Channel Update Version Version 2604 (Build 19929.20162)

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Update Summary

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.

Update Details

Security

  • Security updates are included in this release.

Bug Fixes

  • Access: Fixed an issue where the datasheet displayed incorrect records when simultaneous entries were submitted to SQL Server.
  • Outlook: Fixed an issue where Outlook closed unexpectedly after replying to a mail item that has labels.
  • Outlook: Fixed a scenario where a delegate adds attendees to a meeting, but the attendee update does not persist.
  • Outlook: Fixed an issue where updating a single instance of a recurring meeting in a Microsoft 365 group calendar updates the entire series.
Product Information

Vendor: Microsoft

Product: Microsoft 365 Apps

Version: Version 2604 (Build 19929.20162)

Release date: May 12, 2026

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