5.5.2. The ITIL Practice Guides
💡 First Principle: The ITIL Practice Guides are separate, detailed documents — one per practice — structured consistently so practitioners can find what they need quickly and benefit from accumulated good practice without starting from zero.
The ITIL Practice Guides are detailed guidance documents, one for each management practice, kept separate from the core publication so they can be updated independently. Their structure is consistent across practices: each covers the practice's purpose, key terms, the value chain activities it contributes to, the four dimensions as they apply, and practical guidance. Their benefits include faster onboarding, consistency across the organization, reuse of proven approaches, and the ability to update individual practices without reissuing the whole framework.
⚠️ Exam Trap: The Practice Guides are distinct from the core ITIL guidance and are individually maintained. Their consistent structure and independent updatability are the points most likely to be tested.
Reflection Question: Why does keeping each Practice Guide as a separate, independently-updatable document benefit a fast-changing organization?