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Microsoft 365

Administration of the Microsoft 365 tenant and the services in it. Coverage includes Entra ID, Intune and Autopilot, Exchange Online, SharePoint, OneDrive, Teams and Teams Phone, Purview, and Copilot. Posts mix setup guides with operational topics: licensing comparisons, Groups and Teams sprawl, backup and retention limits, reporting through Graph and Entra logs, tenant-to-tenant migration, and service retirements such as EWS and SMS/voice MFA that force you to act on a deadline. Start with Microsoft 365 Licensing in 2026, Microsoft Purview Data Loss Prevention, and Build the Microsoft 365 Outage Runbook.

22 articles
Level: All Beginner Intermediate Advanced
Microsoft 365

Microsoft 365 Groups and Teams Sprawl: A Governance Playbook for 2026

Stop Teams sprawl with a proven microsoft 365 groups governance playbook — naming, expiration, ownerless-group cleanup, and a rollout users won't hate.

Thorsteinn Halldorsson · July 13, 2026 · 15 min read Intermediate
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Microsoft 365

Exchange Online Protection vs Defender for Office 365: Which Email Security Tier Do You Need?

Defender for Office 365 vs EOP compared feature-by-feature — find the exact protection tier your mailboxes need before you overspend or under-protect.

Thorsteinn Halldorsson · July 13, 2026 · 16 min read Intermediate
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Microsoft 365

Automating Microsoft 365 with PowerShell: The Graph SDK Way in 2026

Automate Microsoft 365 with PowerShell and the Graph SDK: app-only auth, bulk licensing, Exchange and Teams recipes, and unattended Azure runbooks.

Thorsteinn Halldorsson · June 24, 2026 · 15 min read Intermediate
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Microsoft 365

Microsoft Teams Phone Deployment: A Practical Rollout Guide for IT Pros

Microsoft Teams Phone deployment done right: license assignment, PSTN connectivity, dial plans, and device provisioning in one actionable IT pro guide.

Thorsteinn Halldorsson · June 23, 2026 · 12 min read Intermediate
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Microsoft 365

Microsoft 365 Backup and Retention: What Native Tools Cover (and What They Don’t)

Microsoft 365 backup retention gaps cost organisations data. See exactly what native tools protect—and where third-party backup fills the critical gaps.

Thorsteinn Halldorsson · June 23, 2026 · 13 min read Intermediate
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Microsoft 365

SharePoint Online Permissions and Governance: Stop Oversharing in 2026

SharePoint Online permissions governance done right: audit oversharing, enforce least-privilege, and automate controls before your next compliance review.

Thorsteinn Halldorsson · June 23, 2026 · 13 min read Intermediate
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Microsoft 365

Copilot for Microsoft 365 Rollout: Licensing, Data Readiness, and Governance

Copilot Microsoft 365 rollout done right: step-by-step licensing, data readiness checks, and governance controls to protect data and drive adoption.

Thorsteinn Halldorsson · June 23, 2026 · 14 min read Intermediate
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Microsoft 365

Microsoft Intune Device Compliance Policies: A 2026 Configuration Guide

Intune device compliance policies lock down your endpoints in minutes — here's the exact 2026 configuration that blocks non-compliant devices automatically.

Thorsteinn Halldorsson · June 23, 2026 · 14 min read Intermediate
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Microsoft 365

SharePoint Online in 2026: Authoritative Sites, AI Workflows, and DocGen

What SharePoint's 2026 AI features actually do, the PowerShell to configure them, the licence gates, and the governance traps that catch admins.

Thorsteinn Halldorsson · June 19, 2026 · 13 min read Intermediate
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Microsoft 365

Microsoft Teams in 2026: New Features and Security Reports

Async uploads slipped to August, the redesigned toolbar is the meeting toolbar, and Teams security reporting needs two settings, not one.

Thorsteinn Halldorsson · June 19, 2026 · 11 min read Intermediate
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