Fast, powerful, pro disk space analysis software for Windows. Desktop PCs, laptops and servers can quickly end up accumulating large quantities of unused, temporary, and duplicate files. Before you know it, you’re out of disk space, backups are taking far too long to run, users can’t find what they need, and you’re struggling to plan for the future.
You need a visual, interactive software tool to help you manage disk space. You need FolderSizes – the award-winning, network-enabled disk space analyzer for Windows. It can quickly isolate large, old, temporary, and duplicate files, or even show file distribution by type, size, attributes, age, depth, or owner. All with multiple export formats, command-line support, report scheduling, and much more.
Scheduling and email integration
Robust, built-in report scheduling with email delivery support
Folder and disk trends
Trend analysis features show disk usage and folder sizes over time
File system snapshots
Unique and powerful file system snapshot capability
Disk space bar, pie, and treemap
Stunning disk space visualizations – bar, pie, and treemap views
Fast disk space reporting
Performance & scalability – analyze any file system with confidence
Analyze network disk space
Network share discovery for servers, storage devices, and domains
FolderSizes goes far beyond the capabilities of existing disk space analysis tools with superior features and performance. Try it and see why so many customers depend on FolderSizes.
File system search
Search for files and folders by age, name, attributes, size, owner, & more
Largest, oldest, newest, duplicate, and temp files
Quickly isolate largest files, oldest files, duplicate files, and temp files
Report files by type, age, owner, depth, attributes
Reports for file types, attributes, owners, sizes, names, ages, & depths
Export file system analysis data
Export reports to MS Excel, PDF, HTML, CSV, and TXT file formats
Re-load and compare file system analysis reports
Save, re-load, and compare folder size report data
Version 10.1.54 (Released May 11, 2026)
Improvement: Added support for comparing two snapshots with file-level detail.
Improvement: Creating folder reports from snapshots now prompts for file detail inclusion.
Improvement: Improved consistency in text contrast between views.
Improvement: Various minor user interface enhancements.
Bug fix: Fixed issue with detail view potentially losing focus during navigation.
Bug fix: Fixed rare thread race condition on initial storage view population.
Bug fix: Fixed problematic interation between snapshots and path history.
Bug fix: Data bar corner radius fixes.
Thanks to Team ZWT / UZ1 release
(Registered Silent Install Repack) x86
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(Registered Silent Install Repack) x64