No access to your tenant or devices. Every item links to its source. What this means
Week 35 · 24 Aug – 30 Aug 2026 UTC · assess the changes, then plan the next dates.
Message CenterExchange
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Exchange Online
Microsoft marks it a major change
Message CenterMicrosoft 365 Apps
Message Center · Plan for change · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 apps
Microsoft marks it a major change
Message CenterMicrosoft 365 Copilot
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Copilot (Microsoft 365)
Microsoft marks it a major change
CommunityOffice 365 for IT Pros (Tony Redmond)
Community post · Office 365 for IT Pros (Tony Redmond)
CommunityPeter van der Woude
Community post · Peter van der Woude
Known issuesAnthropic Claude3 source records
Service incident
claude.ai, Claude API (api.anthropic.com), Claude Code
Service incident
claude.ai, Claude Code, Claude Cowork
Known issuesCommercial changes2 source records
Partner announcement · Microsoft Partner Center announcements
Partner announcement · Microsoft Partner Center announcements
Known issuesGitHub2 source records
Service incident
Updates and guidanceAzure Kubernetes Service
Updates and guidanceAzure Virtual Desktop
Product news · Azure Virtual Desktop Blog
Updates and guidanceAzure
Updates and guidanceCore Infrastructure and Security Blog
Windows news · Core Infrastructure and Security Blog
Updates and guidanceExchange
Product news · Exchange Team Blog
Updates and guidanceGlobal Secure Access
Product news · Global Secure Access macOS client releases
Updates and guidanceJamf Pro
Updates and guidanceMicrosoft 365 Message Center Archive by Merill Fernando2 source records
Updates and guidanceMicrosoft Graph15 source records
Graph announcement · 15 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Updates and guidancePower BI2 source records
Product news · Power BI Updates Blog
Product news · Power BI Updates Blog
Updates and guidanceWindows 3653 source records
Product news · Windows 365 what's new
Product news · Windows 365 what's new
Product news · Windows 365 what's new
Message CenterMicrosoft Entra
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Entra
Message CenterOneDrive
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft OneDrive
Message CenterPower Platform
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Power Platform
Message CenterPurview2 source records
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
Message Center · Plan for change · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 suite, Microsoft Purview
Message CenterTeams
Message Center · Stay informed · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams
Groups collect records about the same product or named security topic on one UTC date. Open a record for its source and history; grouping alone does not establish a shared cause or impact.