E&O 101

What is E&O, why it happens, how to measure it, and how it affects both operations and financial performance.


  • Definition of Excess vs. Obsolete inventory

  • Common causes (MOQs, forecast errors, engineering changes, seasonal shifts, etc.)

  • How E&O impacts cashflow

  • How E&O is measured (aging buckets, last-demand date, turns, reserve %)

  • Strategies to reduce E&O

  • Preventing E&O through process, not just cleanup

E&O 101