Windows 8.1

When I look at the properties of drive c: it shows that it is a 1.7 terabyte drive and 1.5 terabyte is in use.  I have manually looked at the properties of every folder off of the root of C: and when I add up the sizes I get 73 gigabytes.  I have turned on the hidden files option for all folders so I am looking at all folders to my knowledge.  Where could the other unaccounted for 1.424 terabytes be located??
captjcretAsked:
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Scott CSenior EngineerCommented:
Run this on your drive.

http://sourceforge.net/projects/windirstat/

WinDirStat will show you what is used and where it is.
JohnBusiness Consultant (Owner)Commented:
I find Tree Size Pro (Jam Software) to be excellent. Make sure Hidden files are enabled. The only way I could imagine a workstation using this kind of space is excessive use of complete backups.

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Seth SimmonsSr. Systems AdministratorCommented:
what does vssadmin list shadowstorage (from elevated command prompt) show?
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captjcretAuthor Commented:
If there are excessive complete backups where in Windows 8 to you go to remove them? I will also try the other recommendations.
JohnBusiness Consultant (Owner)Commented:
Use Tree Size with Hidden Files enabled and it will show you where any backups are.
McKnifeCommented:
Once more, whenever this question arises, nobody mentions to use the tools explicitely elevated ("rightclick - run as aministrator"). Does treesize auto-elevate? I don't think so.
In elevated mode, it will be able to count all files, even those only the administrator may access (and that could be a lot). Best would be to start it as system account, because even the admin cannot read anything.

Download psexec and start treesize with it like this from an elevated command prompt:

psexec -s -i treesize.exe
JohnBusiness Consultant (Owner)Commented:
Does treesize auto-elevate? I don't think so  <-- Tree Size includes a Tree Size (Administrator) shortcut which works and use it.

@captjcret - I should have mentioned this. When you install Tree Size, there is a normal shortcut and an admin shortcut. I use the Admin shortcut and make sure Hidden Files are shown. Then everything is shown. I have used Tree Size this way for a long time.
captjcretAuthor Commented:
Treesize is a nice program and its free.  Norton 360 backup made a directory of backups off of the root of C that were hidden.  The backups were huge because it was not only backing up the local drive but the external drive of files. Treesize showed 13.1 Terabytes in the folder.  I had to modify the permissions because even as the administrator it would not let me delete the folder and its contents.  Once I did I was able to delete the folder and free up 13.1 Terabytes.  Thanks
JohnBusiness Consultant (Owner)Commented:
@captjcret - Thanks for the update and I was happy to help.
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Windows 8

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