Microsoft 365 Message Center

Microsoft Whiteboard storage is migrating from Azure to OneDrive, starting February 2024 and completing by August 2025, with full deprecation of Azure storage by February 2026. Users must complete migration by then to retain access. Admins can monitor migration via PowerShell cmdlets.

Microsoft Viva Insights introduces a Unified Exclusion list for consistent user exclusion across all Viva Insights and Copilot analytics. Admins can manage exclusions via CSV or Entra ID groups. The feature rolls out globally from late September to early October 2025, enhancing privacy controls a...

Microsoft 365 Copilot Chat's Rewrite feature will launch in Edge for Business by late September 2025, enabling users to draft and rephrase text via right-click. It’s enabled by default, subject to DLP restrictions, and manageable by admins through the InlineComposeEnabled policy. No prior admin a...

SharePoint Online Tenant Rename is now generally available for tenants with up to 500K sites, allowing domain name changes during rebranding or mergers. It ensures high reliability, business continuity, and compatibility with Microsoft 365 apps, but excludes vanity domains, Multi-Geo, and tenants...

Microsoft Copilot dashboard in Viva Insights will add benchmarks to compare Copilot usage internally and externally, helping identify adoption trends. Rolling out from late September to October 2025, it includes privacy-protected external benchmarks and internal cohort comparisons, with admin con...

Starting October 1, 2025, Microsoft Defender for Office 365 will retire the "Add to existing remediation" option due to low usage. Users must switch to "Create new remediation." No admin action is needed, but users should be informed and documentation updated accordingly. Other functionalities re...

Update the iOS/iPadOS Company Portal minimum version to v5.2509.0 by September 15, 2025. Most users will update automatically; those with app installation blocked may need manual updates. Inform helpdesk about update prompts if applicable.

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