We have a few programs that do a lot of stuff with file management and logs. I think one of the programs is filling up the hard drive, but I have no idea which one or how exactly its happening. Is there any way to search a drive, like C: for files > 1.0GB? Or some means to organize all files on the hard drive by size.

Whatever the means I really don't care, I just need to find out where this file or directory is that is so hugemongous.

3 Answers 3


2 options I've used: Open computer, select C:, in the top right you have a search box, put in . and click on Size under search filter, select Gigantic.

Or install Space Sniffer


You might try a third party application like Windirstat which will index your harddrive and give you a nice graphical representation of where all the space is allocated.

  • nice tool, I like how everything is broken down into trees. Makes it easy to narrow down issues like this. Jul 26, 2010 at 16:25
  • @P.Brian.Mackey: Yea, I use it on all my file servers to find people's "hidden" iTunes folders. =P Jul 26, 2010 at 16:44

Heres a brief walk-through using Powershell -- http://www.christiano.ch/wordpress/2009/08/11/powershell-how-to-find-large-files/

To quote the article, something like this will find files greater than 100MB:

gci c:\ -rec -ErrorAction "SilentlyContinue" | where {$_.Length -gt 100mb}

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