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The Kesslernity Blog

Name: Kesslernity Deployment Tools for M365 Copilot
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Practical insights on AI adoption, prompt engineering, and operationalizing AI across your workforce.

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Ai Adoption8 min read

The Prompt Training Myth: Why Your AI Adoption Strategy Is Backwards

Most enterprises are failing at AI adoption because they're investing in training instead of systems. Here's why prompt libraries beat prompt engineering courses—and how to fix your approach.

Mathieu Kessler·January 21, 2026

industry-insights15 min read

M365 Copilot Agents — Cost Model Reference

A clear, sourced breakdown of how Microsoft charges for AI agents in M365 — what is free, what triggers billing, and how to avoid surprise costs. Includes 5 concrete scenarios with math.

Mathieu Kessler·May 11, 2026

industry-insights12 min read

Understanding Microsoft 365 Copilot: 2026 Licensing Reference

What's included at each tier, how E3 and E5 affect your options, what Wave 3 adds — and how Claude fits into the M365 Copilot platform.

Mathieu Kessler·Mar 25, 2026

industry-insights6 min read

Kesslernity vs PromptBase: Which Prompt Solution is Right for Your Team?

PromptBase is great for individuals. Kesslernity is built for enterprise teams deploying AI at scale. Learn the key differences and which is right for you.

Mathieu Kessler·Jan 31, 2026

prompt-engineering15 min read

How to Build Your First Prompt Library (And Why Most Teams Should Just Buy One)

Learn how to build a prompt library that delivers day-one AI productivity for your team. Includes templates, examples, and the build vs. buy decision framework.

Mathieu Kessler·Jan 18, 2026

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