Dark data is the information companies collect but never use. It’s usually...

https://instaquoteapp.com/how-do-you-run-a-deletion-workflow-without-getting-sued-later/

Dark data is the information companies collect but never use. It’s usually older files or unused backups, often making up 60-80% of all stored data. This hidden bulk slows systems, drives up storage costs, and wastes about $2.5 million annually on average