major Copilot + AI push across the Microsoft 365 stack. Copilot Cowork is now GA with pay-as-you-go billing, SharePoint gets AI-assisted page creation + a new app bar, Power BI semantic models become “APIs for agents”, and several retirement deadlines hit on June 30 for Copilot Studio Teams classic bots, SPFx Field Customizers, and SharePoint Alerts. Standalone SharePoint Online/OneDrive plans also end new sales June 30, 2026.
Bullet-point summary
- Microsoft 365 Copilot
- Copilot Cowork GA: Generally available with PayGo pricing at $0.01 per Copilot Credit. Includes 9 new plugins now + 8 coming soon, Edge browser-use, and full Purview DLP/audit coverage. Tenants in Frontier program get usage grace period until July 1, 2026.
- Copilot Chat in M365 apps: Now available in Word, Excel, PowerPoint, Outlook at no extra cost for M365 users. Adds GPT-5 rollout, multi-image upload, bigger prompt box.
- Claude Opus 4.8 rolling out across chat and in-app Copilot.
- Excel Plan Mode, Outlook Allow/Edit actions, PowerPoint Select Brand menu added to Copilot.
- Copilot Studio
- Teams classic chatbot app retiring: After June 30, 2026, you can no longer create classic chatbots in Copilot Studio for Teams. App redirects to web app.
- Claude Sonnet 4.5 retiring: Deadline June 30, 2026. Agents auto-migrate to 4.6 after evaluation window.
- Agent skills for Power BI: End-to-end agentic analytics in preview – AI can plan, design, author, validate, and publish reports.
- SharePoint Online
- New SharePoint experience rollout: Redesigned app bar + SharePoint start page due mid-June to late July 2026. Adds Discover, Publish, Build, OneDrive icons + AI-assisted creation with Copilot premium.
- SPFx Field Customizers retire June 30, 2026: Migrate to Column Formatting. Other SPFx extensions continue.
- SharePoint Alerts retire July 2026: New alerts blocked since Jan 2026 for existing tenants. Convert to Power Automate or SharePoint Rules.
- Standalone plans end of sale: SharePoint Online Plan 1/2 and OneDrive for Business Plan 1/2 no new customers after May 31, 2026. Full end of service Dec 2029.
- Neutral UI for Page Editor: Expands to page editing/property pane in July 2026 GA for web.
- File-level archiving enabled by default: AllowFileArchive sets to True starting July 6, 2026 for tenants with M365 Archive enabled.
- Power Apps
- 2026 Release Wave 1: Refreshed model-driven UI, modern theming standardized, real-time Dataverse for offline-first canvas apps, generative pages broader availability.
- User Defined Types GA: Power Fx UDTs now generally available.
- Power Automate
- OCPM Semantic Model export to Fabric Workspace in preview.
- New admin usage page: Shows adoption trends, flow run data across tenant in public preview.
- Desktop flow improvements: Classic vs modern designer updates, governance, test cases, version control.
- Power BI
- June 2026 Feature Summary: DAX user-defined functions GA, PBIR becomes default format and will be only format at GA, Fabric Apps for Semantic Models preview, Copilot in Web Modeling preview.
- Semantic model as API for agents: DAX UDFs + PBIR + agent skills let AI build/publish reports end-to-end. Data answering now in Fabric Skills, Cowork & M365 Chat.
- Power BI in SharePoint retires Dec 11, 2025: ‘Visualize the List/Library’ reports become unavailable.
- Power Pages
- Agentic coding GA: Power Pages plugin for GitHub Copilot CLI and Claude Code now GA. Build/secure/deploy sites via natural language.
- 2026 Release Wave 1: Better AI tool integration, enhanced security agent features with actionable insights.
- SharePoint integration hardening: Site-scoped permissions GA for more secure SharePoint integration.
- Microsoft 365 / Office 365
- Copilot Business SKU: USD21/user/month, limited-time pricing with M365 Business plans until June 30, 2026.
- Purview DLP expansion: Real-time DLP for Copilot web searches and prompts rolling out worldwide in June.
- SharePoint Server 2016/2019 end of support: July 14, 2026. InfoPath forms also stop working in SharePoint Online after that date.
