Resources
The EfficientEther resource library.
Browse the current EfficientEther blog archive, with practical Microsoft estate insight and a focused media feed.
App-V to MSIX: The Four Things That Break Every Time
Environment variables, shortcuts, scripts and file type associations behave differently in MSIX. What changes, why, and what to do about each one.
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The State of Application Packaging in 2026: Evidence Over Assertion
Our free 2026 report on application packaging: measured MSIX results, Microsoft platform changes, published packaging prices and a transparent cost model.
App-V Server Is Ending. App-V Is Not.
The April 2026 date applied to App-V server components, not to App-V itself. Here is what actually ended, what did not, and how to plan without panic.
MSIX at Scale: What 3,261 Automated Packaging Cases Tell Us
New open-access research: an automated workflow built MSIX packages for 90.68% of 3,261 Windows application cases, and 80.04% passed a recorded smoke test.
Tenant Configuration Backup: What Microsoft Covers, and For How Long
Microsoft backs up tenant configuration and keeps up to seven days of history. Here is what that covers, what it does not, and how to close the gap.
Building MSIX in GitHub Actions Without the Windows SDK
Package and sign MSIX on a GitHub Actions Windows runner without installing the Windows SDK or hunting for MakeAppx.exe on the image.
Why Your Intune Device Count Is Wrong
Intune device cleanup rules hide stale devices instead of deleting them. Reconcile Intune, Entra and your asset list before somebody asks for evidence.
How to Package a PSADT v4 App for Intune
Wrap a PowerShell App Deployment Toolkit v4 package into an intunewin file: folder layout, install and uninstall commands, detection rules and exit codes.
How Long Your Microsoft 365 Security Evidence Actually Lasts
Entra logs keep 30 days and Purview Audit Standard keeps 180. Your Cyber Essentials cycle is 365. Here is how to prove a setting held all year.