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Possible Duplicate:
What's using up my disk space?

Hello! I have a 40 GB hard drive which is full in explorer (10 MB remaining). The drive is NTFS running Windows 7.

In Explorer, I go to Tools > Folder Options I select 'show hidden files and folders' I unselect all options which start with 'Hide'

In Explorer, I select all. View properties. The 'size of files on disk' is 14 GB.

So how is my 40 GB drive full? Looking for investigation vectors and recommendations.

Thanks!

Community
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Kenn
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  • Looks like a possible duplicate of [What's using up my disk space?](http://superuser.com/questions/22595/whats-using-up-my-disk-space) - you might what to have a read of the suggestions there. Hidden *system* files was going to be my first suggestion. – DMA57361 Sep 22 '10 at 07:51
  • Bare in mind unhiding, selecting and checking the size of everything visible is *not* accurate - it will not see files you don't have permissions for (which should be all of the System Vol folder, for example, and maybe others). – DMA57361 Sep 22 '10 at 07:57

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You may want to use something like TreeSize Free to figure out where your disk space is being consumed.

Cypher
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  • Another tool which does a similar function is [WinDirStat](http://windirstat.info/), I like this one because it's a single executable with no dependencies. – Stephen Jennings Sep 22 '10 at 08:05