Dark data is the information companies store but never use, often making up...

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

Dark data is the information companies store but never use, often making up 60-80% of their data. This inactive data takes up space and costs money—sometimes costing businesses up to $2.5 million a year in wasted storage and management