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  1. PA Storage Monitor shows what you are storing and supports your storage manager tasks. Many rich file reports, including file owner information available. PA Storage Monitor: **Report on file ages, types, owners, duplicates...
  2. O&O DiskStat is a high-power tool for analyzing the used disk space on your storage volumes. With an easy-to-use interface based on the design of the Windows Explorer, you can take a closer look at the file and folder structure of your internal and external drives.


  3. Active SMART - is hard-drive deagnostic and file usage information tool. It uses the S.M.A.R.T. technology to track the status of the computer hard disks to timely detect and anticipate any problems, occurring with the hard drive, before the danger of the data loss appears.
  4. Disk Usage Analyzer - a free program to analyze disk space of the computer. It helps you to quickly and easily determine the size of folders on your computer, as well as the number of files they contain.
  5. Total Directory Report - is a professional application designed to allow you viewing your folders, disks or FTP servers as a set of analytical reports or detailed ordered lists in HTML, CSV or PDF formats.
  6. Download Better Directory Analyzer - A powerful drag'n'drop windows directory analyzer. Better Directory Analyzer is a small and easy to use application that enables you to easily analyze your hard drive space.
  7. The most powerful disk space sizing and analysis utility there is! Answering the Who/What/Where/When of your Disk Space.
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  8. Disk Files is a free utility that can help you take a deeper look into the distribution of different types of files on your computer. It is highly customizable.

    Discontinued

    Latest version 1.2 was released on 07 September 2013. See: http://www.puransoftware.com/Disk-Files.html

  9. Spyglass is a perfect companion for fixing your cluttered disks and folders. It allows you to navigate your folders and files using a beautiful Sunburst View, a versatile File Navigation View, and smart Breadcrumbs.

    Discontinued

    Unavailable from official but still available at download sites.

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    • Free PersonalProprietary
    • Windows
    This tool enables you to get a usage piechart from your FTP service, showing which directories are taking the most space, and to drill down into those directories to see which are the largest files. Simply double-click on a pie segment to drill down!
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  10. Space - disk usage analysis tool. Scans hard drives, CDROMs, network drives and FTP sites.
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  11. SupaView is a tool to help you locate big folders and big files on your hard disk. Every file is represented by a square, which size is proportional to it's size.
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  12. Electron app for finding large files on your filesystem.
  13. Helps you figure out where all that hard drive space has gone on your computer. Visually displays the size of each folder in the form of a bar graph.

    Discontinued

  14. Disk Space Finder helps visualize your data to find wasted space. It shows you a graphical diagram of what is takeing up your space.