Field notes on Microsoft 365.
Every OSH post tagged Microsoft 365: practical write-ups from real engagements, not vendor decks.
Everything filed under Microsoft 365
Posts from OSH engineers working in Microsoft 365. Migrations that went sideways, configurations we have learned the hard way, and the practical decisions worth writing down.
Drive vs SharePoint: Pick the Right Cloud File System
Google Drive vs SharePoint, compared honestly: search, permissions, metadata, sync clients, governance and the friction points you only see …
Read field noteGoogle Workspace vs Microsoft 365: An Honest 2026 Comparison
Google Workspace vs Microsoft 365 in 2026: a direct, opinionated comparison of mail, files, security, identity, and ZAR pricing to pick the …
Read field noteMigrating from On-Prem Exchange to Microsoft 365: A Practical Field Guide
A practical 2026 field guide to moving on-prem Exchange to Microsoft 365: cutover, staged, hybrid, IMAP. The right path, the real work, and …
Read field noteMS Authenticator: Hardening Your MFA Setup in 2026
How to harden Microsoft Authenticator and your MFA posture in 2026: number matching, Authentication Methods Policy, FIDO2, passkeys and …
Read field noteReading Microsoft 365 and Google Workspace Email Headers Like a Pro
Read M365 and Google Workspace email headers without flinching. Six lines triage 90% of mail-flow questions, with worked phishing and …
Read field noteSecuring Microsoft Business Premium: A Practical Walkthrough
A 7-day sequence to actually use the Microsoft Business Premium security stack you're already paying for: Conditional Access, Defender, …
Read field noteSetting Up Exclaimer on Microsoft 365: Step-by-Step
A step-by-step guide to setting up Exclaimer on Microsoft 365: connector, transport rule, DKIM, signature template and the bits that quietly …
Read field noteGot a microsoft 365 problem we haven't written about?
If you are stuck on something we have not covered, tell us. The next field note is usually a client question we did not have a tidy answer for yet.