The New SharePoint Experience (2026)

🌐 Microsoft is rolling out a completely redesigned SharePoint Online experience beginning March 3, 2026.

✨ Key Highlights

1. AI‑First, Copilot‑Powered SharePoint

  • Deep integration with Microsoft 365 Copilot for:
    • Automatic page drafting
    • Content summarization
    • Image and layout generation
    • Metadata creation
  • Requires a Microsoft 365 Copilot license for end users.

2. Fully Redesigned UI

  • Cleaner, faster, more consistent with the Microsoft design system.
  • Focused on discovering, publishing, and building content.
  • New navigation, simplified authoring, and improved mobile responsiveness.

3. New Page & Site Templates

  • AI‑generated templates
  • Modernized intranet layouts
  • Better branding and theming controls
  • Faster site creation with guided setup

4. Flexible Workflows Built In

  • Workflow creation directly inside SharePoint
  • AI‑assisted automation suggestions
  • Tighter integration with Power Automate

🏗️ Modernization Changes Rolling Out Through March 2026

Between September 15, 2025 and March 15, 2026, Microsoft is enforcing major modernization changes.

🚫 1. Custom Scripting Disabled on Classic Publishing Sites

  • Custom scripts will be disabled by default on all classic publishing site collections.
  • This affects:
    • Script Editor Web Parts
    • CEWP custom JavaScript
    • Legacy branding solutions

🧱 2. Classic Publishing Sites Are Being Phased Out

  • Microsoft is pushing organizations to migrate to modern communication sites.
  • No immediate shutdown, but classic publishing is effectively deprecated.

🛠️ 3. Admin Controls Updated

  • New SharePoint Admin Center settings for:
    • Enabling the new SharePoint experience
    • Managing AI features
    • Modernization readiness checks

🧠 AI & Content Intelligence Enhancements (2026)

The 2026 update introduces a new layer of content intelligence across SharePoint Online.

🔍 Smart Content Discovery

  • AI‑powered search that understands context
  • Personalized content feeds
  • Automatic topic detection (Project Cortex evolution)

📝 AI‑Generated Content

  • Copilot can generate:
    • Pages
    • News posts
    • Site sections
    • Images and layouts

🗂️ Intelligent Information Architecture

  • Auto‑tagging
  • Auto‑classification
  • Suggested metadata
  • Improved compliance labeling

📅 Critical 2026 Deadlines & Retirements

⛔ End of Support for On‑Prem Versions

  • July 14, 2026: End of support for:
    • SharePoint Server 2016
    • SharePoint Server 2019

This is driving many organizations to accelerate migration to SharePoint Online.

🕯️ Retiring SharePoint Features in 2026

Although details vary, Microsoft and community sources highlight several retirements:

  • Legacy workflows (SharePoint Designer 2010/2013)
  • Classic publishing infrastructure
  • Custom script–dependent solutions

🚀 What Organizations Should Do Now

✔ Enable the New SharePoint Experience (Preview)

Admins can enable it in the SharePoint Admin Center → Settings.

✔ Audit Classic Sites

Identify:

  • Classic publishing sites
  • Custom scripts
  • Legacy workflows

✔ Plan Migration to Modern Sites

Microsoft’s modernization tools and Copilot can accelerate this.

✔ Prepare for AI Adoption

  • Ensure licensing for Microsoft 365 Copilot
  • Train content authors on AI‑assisted authoring

📘 Summary Table: SharePoint Online 2026 Updates

AreaWhat’s NewImpact
UI & ExperienceNew SharePoint Experience (2026)Major redesign, modern UI
AI FeaturesCopilot‑powered authoring, automation, metadataRequires Copilot license
ModernizationClassic publishing deprecation, custom script disabledMigrate to modern sites
Admin ControlsNew AI & experience togglesMore granular governance
RetirementsLegacy workflows, classic featuresRequires remediation
On‑PremSP 2016/2019 end of support July 2026Migrate to cloud