Dark data is all the information companies collect but never use—like old...

https://josuerwqt559.bearsfanteamshop.com/how-much-of-enterprise-data-is-considered-dark-in-2025

Dark data is all the information companies collect but never use—like old emails, logs, or forgotten files. It can make up 60-80% of stored data, costing organizations up to $2.5 million every year in storage and management