Take the 2-minute tour ×  Possible Duplicate: What does a blue
filename in Windows Explorer mean?  I have an external hard
disk. When I plug it in a system running Windows XP.. all the
folder names and even the file names contained in hard disk are
seen in blue color. When I plug it in a system running Windows
7, it does not happens so.  share|improve this question  marked
as duplicate by Ƭᴇcʜιᴇ007, Sathya Feb 20 '12 at 8:06   Can you
post an image? I don't quite understand what you mean. – 
elclanrs Feb 20 '12 at 6:18 Related question:
superuser.com/questions/301690/… –  goldPseudo Feb 20 '12 at
6:38  2 Answers 2  up vote 9 down vote accepted  It's possible
that you're dealing with compressed files, and the two Windows
computers just have different configurations for how to display
them.  Windows XP, as well as Windows 7, will by default display
compressed files in blue and encrypted files in green, while
files which are both uncompressed and unencrypted are displayed
in black. This is easily configurable in