Dark data is the information your company stores but never uses—think 55% of...

https://wiki-stock.win/index.php/How_Do_I_Build_a_Dark_Data_Cleanup_Plan_That_Legal_Will_Approve%3F

Dark data is the information your company stores but never uses—think 55% of your files just sitting there. It matters because keeping that unused data racks up storage costs and risks, like data breaches