Microsoft 365 Updates & Release Notes
66 updates curated from 1 source by the Releasebot Team. Last updated: Jul 15, 2026
- Jul 14, 2026
- Date parsed from source:Jul 14, 2026
- First seen by Releasebot:Jul 15, 2026
Version 2606: July 14
Microsoft 365 fixes Outlook crashes and improves DLP policy tips for sensitive attachments.
Version 2606 (Build 20131.20154)
Resolved issues
Outlook
- Fixed an issue that caused Outlook to exit unexpectedly when using the calendar.
- Fixed an issue where Outlook might not show data loss prevention (DLP) policy tips for attachments after a user attached a file containing sensitive information.
- Jul 7, 2026
- Date parsed from source:Jul 7, 2026
- First seen by Releasebot:Jul 8, 2026
Version 2606: July 07
Microsoft 365 fixes Outlook crashes and improves Copilot Compose and high contrast accessibility.
Version 2606 (Build 20131.20126)
Resolved issues
Outlook
- Fixed an issue where Outlook closed unexpectedly when using Copilot Compose chat feature.
- Fixed the Help me write button visibility in high contrast mode.
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- Jun 30, 2026
- Date parsed from source:Jun 30, 2026
- First seen by Releasebot:Jul 1, 2026
Version 2606: June 30
Microsoft 365 gets various fixes to functionality and performance in Version 2606 (Build 20131.20112).
- Jun 25, 2026
- Date parsed from source:Jun 25, 2026
- First seen by Releasebot:Jun 26, 2026
Version 2606: June 25
Microsoft 365 fixes an Access performance issue that slowed forms and record navigation.
Version 2606 (Build 20131.20090)
Resolved issues
Access
- Fixed a performance issue that could make Access feel significantly slower, including slow or flickering form display, sluggish record navigation, and general slowness when working with forms. The issue could affect a wide range of databases and was most noticeable on complex forms or forms with subforms.
- Jun 16, 2026
- Date parsed from source:Jun 16, 2026
- First seen by Releasebot:May 27, 2026
- Modified by Releasebot:Jul 1, 2026
Version 2605: June 16
Microsoft 365 releases version 2605 with various fixes to functionality and performance.
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- Jun 3, 2026
- Date parsed from source:Jun 3, 2026
- First seen by Releasebot:Jun 20, 2026
Version 2605: June 03
Microsoft 365 releases Version 2605 (Build 20026.20140).
Version 2605 (Build 20026.20140)
Original source - Jun 3, 2026
- Date parsed from source:Jun 3, 2026
- First seen by Releasebot:Jun 3, 2026
Version 2605: June 03
Microsoft 365 fixes classic Outlook image display issues with Top and bottom text wrapping.
Version 2605 (Build 20026.20140)
Resolved issues
Word
- Fixed an issue where images didn't display when using Top and bottom text wrapping in classic Outlook.
- May 20, 2026
- Date parsed from source:May 20, 2026
- First seen by Releasebot:May 22, 2026
Version 2605: May 20
Microsoft 365 fixes Outlook and Office suite crashes, including mail sending and coauthoring issues.
Version 2605 (Build 20026.20076)
Resolved issues
Outlook
- Fixed an issue where sending mail failed when multiple Exchange accounts were configured.
- We fixed an issue that caused Outlook to exit unexpectedly when loading emails from Viva Engage or Viva Insights.
Office suite
- Fixed an issue where Excel or PowerPoint closed unexpectedly in rare cases while actively coauthoring, particularly when opening a document for the first time.
- May 14, 2026
- Date parsed from source:May 14, 2026
- First seen by Releasebot:May 15, 2026
Version 2604: May 14
Microsoft 365 fixes an Outlook issue that prevented sending mail with multiple Exchange accounts.
Version 2604 (Build 19929.20172)
Resolved issues
Outlook
- Fixed an issue where sending mail failed when multiple Exchange accounts were configured.
- May 12, 2026
- Date parsed from source:May 12, 2026
- First seen by Releasebot:May 13, 2026
Version 2604: May 12
Microsoft 365 adds security updates in Version 2604 (Build 19929.20164).
- May 5, 2026
- Date parsed from source:May 5, 2026
- First seen by Releasebot:May 6, 2026
- Modified by Releasebot:May 13, 2026
Version 2604: May 05
Microsoft 365 fixes an Outlook crash when replying to labeled emails.
Version 2604 (Build 19929.20136)
Resolved issues
- Fixed an issue where Outlook closed unexpectedly after replying to a mail item that has labels.
- Apr 29, 2026
- Date parsed from source:Apr 29, 2026
- First seen by Releasebot:Apr 22, 2026
- Modified by Releasebot:May 13, 2026
Version 2604: April 29
Microsoft 365 improves functionality and performance with various fixes in Version 2604 (Build 19929.20106).
- Apr 14, 2026
- Date parsed from source:Apr 14, 2026
- First seen by Releasebot:Apr 15, 2026
- Modified by Releasebot:May 9, 2026
Version 2603: April 14
Microsoft 365 adds Copilot editing in PowerPoint, letting licensed users create, refine, and update presentations through natural conversation while keeping formatting, structure, and branding intact. It also connects to brand kits for templates, approved images, and compliance checks.
Version 2603 (Build 19822.20182)
Security updates listed.
Feature updates
PowerPoint
- Copilot can edit your document in PowerPoint: Copilot in PowerPoint lets you create, edit, and refine presentations through natural conversation, directly in your presentation. You can start a new presentation or build on an existing one, asking Copilot to generate slides, update content, improve layouts, and polish design—while preserving formatting, structure, and branding. Copilot connects to your brand kit so you can apply branded templates, insert brand‑approved images, and check for brand compliance. Available to Microsoft 365 Copilot–licensed users.
- Apr 9, 2026
- Date parsed from source:Apr 9, 2026
- First seen by Releasebot:Apr 10, 2026
- Modified by Releasebot:May 1, 2026
Version 2603: April 09
Microsoft 365 adds stronger DLP protection for Copilot grounding in Word, Excel, and PowerPoint local files, and improves Copilot usability with keyboard support for closing chat in Outlook and prompt visibility in Word. It also fixes add-in banner behavior in Outlook.
Version 2603 (Build 19822.20168)
Feature updates
Office suite
- Extend DLP for Copilot grounding in Word, Excel, and PowerPoint to local files: Data loss prevention (DLP) for Copilot grounding policies will now block Copilot from processing the currently open file in Word, Excel, and PowerPoint regardless of where that file is stored.
Resolved issues
Access
- Fixed an issue where some add-ins didn’t display a banner/info bar when an external recipient was added to an outgoing email in Outlook.
Outlook
- Resolved an issue where users could not close the Copilot chat pane using a keyboard. You can now close the pane by navigating to the Close button using a keyboard or by using the assigned keyboard shortcut.
Word
- When drafting with Copilot, users will see the Copilot chat pane open with their prompt.
- Mar 31, 2026
- Date parsed from source:Mar 31, 2026
- First seen by Releasebot:Apr 1, 2026
Version 2603: March 31
Microsoft 365 adds fixes to functionality and performance in Version 2603 (Build 19822.20142).
Curated by the Releasebot team
Releasebot is an aggregator of official product update announcements from hundreds of software vendors and thousands of sources.
Our editorial process involves the manual review and audit of release notes procured with the help of automated systems.