Hidden features extends to many things. On NTFS you can hide an arbitrarily large file in the "Alternate datastream" of any file. Explorer doesn't show you alt

Hidden features extends to many things. On NTFS you can hide an arbitrarily large file in the "Alternate datastream" of any file. Explorer doesn't show you alternate datastreams and certainly doesn't show you they are possible. You can use VLC to play a bluray from what appears to be a 1kb text file in Explorer. If you have that on a USB stick, the properties of the USB stick will reflect the capacity loss of the bluray image. But Explorer won't show you why or which file has it... https://blog.foldersecurityviewer.com/ntfs-alternate-data-streams-the-good-and-the-bad/ https://blog.foldersecurityviewer.com/ntfs-alternate-data-st...