Dark data is all the information your company collects but never uses—like old...

https://high-wiki.win/index.php/How_Much_Money_Do_Companies_Waste_Storing_Dark_Data_Each_Year%3F

Dark data is all the information your company collects but never uses—like old files, emails, or logs. Up to 80% of data can be inactive, sitting unused but still costing money to store and manage. Ignoring dark data wastes around $2