Dark data is all the info your company stores but never uses—like emails, logs,...

https://www.toro-bookmarks.win/dark-data-is-the-info-your-company-collects-but-never-uses-it-can-make-up-55

Dark data is all the info your company stores but never uses—like emails, logs, or old files. Around 55% of data can be dark, which adds up to wasted storage costs and hidden risks