Microsoft Microsoft 365 Apps Monthly Enterprise Channel Update Version Version 2602 (Build 19725.20170)
Your rating
Rate update installation process
Risk factor
No ratings yet. Be the first to rate this update.
AI enhanced content
Update Summary
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.
Update Details
Security
- Security updates are included in this release.
Bug Fixes
- Fixed OneNote crashes when pasting content from a web page containing a
<math>(MathML) tag with no attributes. - Fixed OneNote startup crashes.
- Fixed Outlook calendar rendering issues where extended characters could appear as question marks.
- Updated configuration retrieval for Word, Excel, and PowerPoint so People experiences work properly in Sovereign cloud environments.
New Features
- Added local file support for Copilot Chat in modern Excel workbooks stored on the device.
- Added local file support for Excel Agent Mode in modern Excel workbooks stored on the device.
- Added Agent mode in Word for conversational drafting, rewriting, and content refinement.
Product Information
Vendor: Microsoft
Product: Microsoft 365 Apps
Product type: Other
Platform: Windows
Variant: Monthly Enterprise Channel
Version: Version 2602 (Build 19725.20170)
Vendor release date: Mar 10, 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.