Microsoft 365 Admins: February 2026 Brings Major Retirements, New Admin Controls & Security-First Changes — Here’s Your Definitive Guide

February 2026 is shaping up to be a high-impact month for Microsoft 365 administrators. Microsoft continues its push toward a security-first, Copilot-governed, and centrally managed tenant model, while retiring legacy features that no longer align with modern M365 architecture.

If you manage Planner, Teams, Purview, Entra ID, Defender, or Exchange Online, this is a month where proactive planning matters. Below is a clear, admin-focused breakdown of what’s retiring, what’s new, what’s changing, and what requires action, with direct reference links so you can validate and prepare.


📊 February 2026 at a Glance

CategoryCount
🔻 Retirements4
🆕 New Features12
🔧 Enhancements6
🔄 Functionality Changes6
⚠️ Action Required2

🔻 Retirements: What’s Going Away

Microsoft continues consolidating overlapping experiences in favor of fewer, more powerful platforms.

  • Microsoft Planner – Legacy Features (Mid-February 2026)
    Retiring:
    • Legacy task comments
    • Planner in Loop pages
    • Viva Goals integration
    • iCalendar feeds
    • Whiteboard tab integration
    The new Planner experience and task chat fully replace these capabilities.
    🔗 Reference: https://admin.microsoft.com/#/MessageCenter/:/messages/MC1188824




🆕 New Features: Worth the Hype

February delivers real admin value, especially around Copilot governance, external collaboration, and Purview investigations.













🔧 Enhancements: Quiet but Powerful


🔄 Existing Functionality Changes


⚠️ Action Required: Don’t Ignore These


📌 Final Thoughts

February 2026 sends a clear message from Microsoft:

Centralize security. Govern Copilot. Simplify collaboration. Retire legacy features.

Admins who prepare early updating Purview DLP, reviewing Teams external access, auditing mobile devices, and modernizing Planner workflows, will avoid disruption and last-minute fire drills.

Thank you for stopping by. ✌️

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