Microsoft 365 Backup now supports department billing, allowing admins to create up to 50 billing policies by department, geography, or unit, with delegated control via RBAC. Available to new customers from mid-May 2026; existing customers will get it later this year with no immediate changes.

PowerPoint for Windows will enable users with a Copilot license to create presentations directly from PowerPoint Home in the File menu, starting late May 2026. The feature is enabled by default, requires no admin changes, and helps users quickly draft presentations using Copilot.

PowerPoint for Mac will enable users with a Microsoft Copilot license to create presentations directly from PowerPoint Home in the File menu, starting late May 2026. The feature is enabled by default, requires no admin changes, and aims to streamline the workflow from idea to draft.

Starting mid-May 2026, PowerPoint for the web will let users with a Microsoft Copilot license create presentations directly using Copilot. This feature is enabled by default, requires no admin changes, and is immediately available upon opening the app. No action is needed to prepare.

Copilot in SharePoint will roll out as an opt-out preview starting mid-June 2026 for Microsoft 365 Copilot licensed users. It enables AI-powered content creation and management via a chat interface, respects user permissions, and offers admin controls for tenant or site-level opt-in/out and custo...

Maintenance window start: May 17, 2026, at 2:00 AM UTC Maintenance

Microsoft 365 apps on Mac and iOS must be updated by July 13, 2026, to avoid read-only mode due to certificate expiration. Supported versions require macOS 12+, app version 16.83+ (Mac), iOS 17+, app version 2.93+ (iOS). Updates ensure full functionality without data loss.

We are announcing the ability to unlock Workforce Engagement capabilities with the

On May 29, 2026, we are retiring the Security Score (Preview) feature

Authoritative Sites lets admins mark specific SharePoint sites as trusted, prioritizing their content in Microsoft Copilot Chat and Search to improve reliability and relevance. Rolling out May-June 2026, it requires a Microsoft 365 Copilot (Premium) license and is configurable via PowerShell with...

SharePoint Online will update storage quota enforcement by late May to June 2026, aligning user quotas with license limits. Users exceeding licensed storage will enter read-only mode until usage is reduced or licenses upgraded. Admins should identify and address over-quota users; no action needed...

Microsoft Teams will standardize the preview experience for Word, Excel, and PowerPoint files across desktop and mobile, improving speed and reliability. PowerPoint and Excel previews are on iOS and Android; Word preview is iOS only (Android later). Rollout completes by late June 2026, enabled by...