Is your hard drive or cloud drive filling up fast? Do you wonder what is taking up all that disk space? ShowSize Pro will help you find that information easily.

ShowSize displays 7 kinds of hierarchical and flat lists of files and folders that help you quickly find the most space consuming folders, files, file types and file owners.

folder sizes list with occupied size, disk space

1. Folder Sizes List

Lists folders in the order of decreasing size so that larger folders appear at the top.
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pie chart of folder sizes, number of files, occupied size, disk space, etc

Pie Chart

Click on the Pie Chart button of any list and you see a pie chart on the current sorted column of that report.
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file types list with occupied size, disk space

2. File Types List

Lists files grouped by their type with the total size occupied by each such group.
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files list, folders list, occupied size, disk space

3. Folders & Files List

Unlike Windows Explorer, this list presents all the folders and files together in a "single" hierarchial list with their sizes and numbers.
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owners list with occupied size, disk space

4. File Owners List

Lists files grouped by their owner information with the total size occupied by each such group.
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all files list with occupied size, disk space

5. Only Files List

Lists all the files contained in the target disk location in a "flat" list. This is a real innovation. For example, this is the only way to find the largest file in a location no matter how deep down in subfolders it exists.
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all folders list with occupied size, disk space

6. Only Folders List

Lists all the folders contained in the target disk location in a "flat" list. This lets you do some interesting things like finding the biggest folder on the disk no matter how deep it is within the file system.
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modified folders list with occupied size, disk space

7. Active Folders List

Lists folders by the size or number of files modified in the last so many days. Makes it possible to identify folders where files have been modified most. A nice report for network admins.
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folder sizes list in windows explorer

Integrate with Windows Explorer

You can install any of the 7 ShowSize Lists on the right-click menu of Windows Explorer.

Use the Tools menu of ShowSize to do that.
save directory information in windows

Save reports

Save reports to view them later at any time on any system. These report files are perfect for sharing with other users. They can be viewed even on a system not connected with the original system.
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analyze directory information in windows

ShowSize Analyze program

You get an additional program when you purchase ShowSize. It's called, ShowSize Analyze.

It offers advanced filtering, printing and export features. The idea is, collect the reports with ShowSize and analyze them better with ShowSize Analyze.
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ShowSize disk space software is designed for speed

Designed for speed

ShowSize directly scans a given folder. You can save scanning time on huge drives by using the new Exclude Folders feature. You can even switch off the left pane for slow network drives. Moreover, ShowSize uses its own cache when you drill down the folders in the same report. All the features are designed to save your time.

The virtual listing technology in ShowSize can list millions of items making it possible to produce the Only Files report described above. Ordinary software would choke on such a list.
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Click to play the demo

ShowSize is a powerful disk space analysis utility. Please read more about it on the Home page.

New "Exclude Folders" feature saves you Tons of scanning time on huge disk drives.

See details and a screenshot of Excude Folders feature on the Features page.


Windows Software, runs on

32-bit and 64-bit Windows 10,
8, 7, Vista, XP
and server editions

Version 5.7
now available on purchase

Buy Now

"I searched on Google. Yours was the third one I downloaded and tried but the only one which really does what I was looking for. It's amazing that something so simple in concept was so hard to find. I am very pleased with Showsize."

"Your program is saving me a ton of time and the ownership information is invaluable to me! The latest version with that optional "owner" and "modified" columns are exactly what we needed!"

"It's also very cool to work with a program that when you hit cancel on a long running operation with over 300,000 entries, that it actually works! The program is great!"

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Print list of files in Windows

Print file lists easily

Any report in ShowSize can be printed. but the Folders & files is best for printing all the folders and files together in a single hierarchial list with their sizes and number of files contained.
You can print through command line too. This helps with making batch files for printing.

Many more power features

  • Automate running through command line features to be used in batch files
  • Detailed alerts when ShowSize can not access certain folders due to permission restrictions
  • Export data to CSV or HTML format
  • Symbolic links detection and option to skip them
  • Identify system and hidden items, symbolic links in the lists by special cusotmizable color
  • Find a file or folder name, even in huge lists
  • Multiple copies of ShowSize can be run on different locations to save time
  • Customize the report columns by drag and drop
  • See wasted space in partial clusters
  • UNC path support
  • Filters and filter testing
  • Auto refresh to monitor a location
  • Start a command prompt or admin command prompt on a folder directly from right-click menu
See more features on the Features page.
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