How to: Find Largest file on Windows, Windows 7, Windows 10, Microsoft Windows, Windows Server (Disk Space Usage)

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For finding largest file/folder or showing disk space usage on Linux, refer to this one: (Linux Command Line/ Terminal Disk Space Usage tool (Find largest folder/file))

Sometimes, we want to find largest files or folders from our computer, especially when we are running out of space on hard drive. Because spending time to find different small useless files and then delete them can be very time consuming and after all it’s possible that we have only deleted couple MB of files which won’t help much. Remove one or two huge files or folders may help a lot.

Here is a list of software which can be used just for this purpose and for free, even better, some are open source.

WinDirStat

WinDirStat
WinDirStat
  • Easy to use
  • Free, Open Source
  • Can be installed
  • Portable version available (via portableapps)

SpaceSniffer

SpaceSniffer
SpaceSniffer
  • Easy to use
  • Free
  • Portable version available

WizTree

WizTree
WizTree
  • Easy to use
  • Free
  • Can be installed
  • Portable version available

Summary

Out of three, WinDirStat is the only open source one, Space Sniffer and WinTree are both freeware only.

WinDirStat does not provide official portable version, but portable version can be downloaded from portableapps. Both SpaceSniffer and WizTree provide official portable version.

All of them are very easy to use, the user interface of WinDirStat and WizTree are very similar, you click on the tile or block to reveal the file name, while SpaceSniffer displays the file and folder name directly on the tile/block.

Bottom line, choose whichever you like to use or give all of them a try and decide which one to go with, or even keep all of them in your bag, backup plan will not hurt 😉

Download/Resource

  1. WinDirStat
  2. SpaceSniffer
  3. WinTree

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