
M365 Roundup, May 2026: Teams Gets Its Own Threat Reports
May 2026 in Microsoft 365: Teams adds external user reporting and a Security Detection Report, SharePoint starts enforcing storage quotas, and Entra locks new app instances by default.
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May 2026 in Microsoft 365: Teams adds external user reporting and a Security Detection Report, SharePoint starts enforcing storage quotas, and Entra locks new app instances by default.

April 2026 in Microsoft 365: Calendar Agent and Legal Agent arrive in Copilot, Intune gets a Copilot removal policy, Windows 365 Business drops 20%, and Teams ships eleven updates.

March 2026 in Microsoft 365: the new E7 suite and Agent 365 go GA May 1, Entra Backup and Recovery enters preview, external MFA hits GA, and SPO one-time passcodes get a retirement date.

Entra passkey profiles auto-enable in March 2026, Teams gains four security features, and standalone SharePoint and OneDrive plans head for retirement. The January 2026 changes, sorted by what to do.

Ignite 2025 delivered Agent 365, Security Copilot free for E5, and Baseline Security Mode. Plus synced passkeys, Teams impersonation protection, and a full month of M365 changes.

Copilot's Scheduled Prompts run any prompt on a recurring cadence: morning email triage, weekly meeting prep, even brand monitoring. Setup takes two minutes. Here is how.

New Defender and Purview add-on SKUs for Business Premium, Anthropic models in Copilot, an auto-installing Copilot app, and a browser policy that needs action now.

GPT-5 rolls into Copilot Chat, Intune adds two-admin approval for destructive actions, Autopilot patches during setup, and Windows 10 ESU hits the CSP price list.

Token protection reaches Entra ID P1, Defender gains mail-bombing detection, the Conditional Access Optimization Agent hits GA, and Intune ships LAPS for macOS.

Microsoft blocks legacy browser auth and requires admin consent by default, Safe Attachments loses Monitor mode, passkey profiles go per-group, and Teams channels learn to thread.

Microsoft kills the nonprofit Business Premium and E1 grants, raises the bar for CSP indirect resellers, and ships Copilot Tuning. May 2025's M365 changes, sorted by who has to act.

Teams Premium flags sensitive content during screen sharing, Purview meters GenAI data security as pay-as-you-go, and Copilot lands across PowerPoint, Forms, and calls.