Those files may have been compressed or encrypted. In Windows Explorer:
1. Select the file that appears blue in color.
2. Select "File" | "Properties" menu item.
3. In the "General" tab, click "Advanced..." button.
4. See the "Compress contents to save disk space" and "Encrypt contents to
secure data" boxes.
The compressed or encrypted files are shown in different color based on a
setting in Windows. In Windows Explorer:
1. Select "Tools" | "Folder Options..." menu item.
2. Select "View" tab.
3. In the Advanced settings list, locate the "Show encrypted or compressed
NTFS files in color" box.
This setting shows you whether you asked Windows Explorer to display such
files in different color.
- Chirag
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