O&O DiskCommander 5

5.1.1020 – released on 02/03/2026

Added:

• File Type Usage Tab
• New main navigation tab displaying grouped statistics and analysis on disk usage by file type categories (Images, Videos, Audio, Documents, Apps, System, User Data)
• Live updates during analysis
• Full localization support
• Context-Sensitive Online Help
• Access via F1 key or help button
• Displays documentation relevant to the current view or active tab
• Paste Security for Read-Only Volumes
• Prevents pasting files into read-only volumes such as mounted disk images, backup volumes, or analysis snapshots
• Password-Protected Disk Image Support
• Added password dialog for password-protected disk images
• Tree Map Double-Click Navigation
• Double-click folders in the Tree Map to navigate into them
• Double-click files to open them
• Intuitive navigation similar to File Explorer

Changed:

• Tree Map Accessibility Improvements
• Improved color palette with higher contrast per level
• Dark mode adaptation
• WCAG-compliant text contrast
• UI Terminology Updates
• “Statistics” replaces “Storage”
• “Overview” replaces “Disk statistics” across the UI and localizations
• Scan Controls and Status Display
• Updated scan controls and header buttons
• Improved reflection of current state and background activity
• Memory Management
• Optimized internal memory management

Fixed:

• Fixed Open Files enumeration where file handles were skipped
• Fixed memory leak in display logic
• Paste, move, and delete operations now properly check deletable/moveable status of marked items
• Warning is shown if only a subset of selected items can be processed
• Status bar and file lists now correctly update after background actions and navigation
• Various UI glitches fixed in Tree Map, File Type Usage, and other views

Info:

• Compatible with Windows 10 and Windows 11; x86, x64, and ARM architectures
• Available in German, English, French, Italian, Spanish, Russian, Japanese, and Simplified Chinese

5.0.1018 – released on 01/21/2026

Added:

• Virtual disk support
• Analysis of VHD/VHDX disk images and O&O DiskImage files without mounting
• Copy/paste to extract files from backups
• Open Files
• Display of all currently opened/locked files incl. Process Information
• Filtering by Drive/Folder
• Context menu actions for file management
• Analysis comparison
• Comparison of two disk analyses side by side
• Visual change indicators: added, deleted, changed, unchanged
• File management
• Rename files and folders directly in List View (F2 or long click)
• Display of SHA1 and SHA256 hash values for integrity check and duplicate detection
• Views & Visualization
• Custom View Modes: Details, Small/Medium/Large Tiles, Icons
• Thumbnail previews for image files (48×48 to 256×256) in tile and icon views
• File type usage display with breakdown (images, videos, audio, documents, apps, system, user data)
• Analysis & Operation
• Analysis queue management for multiple analyses incl. intelligent demolition dialog
• Automatic analysis start when switching to statistics views without data
• Incremental statistics: Live results during the scan (configurable refresh intervals)
• Disk information control with capacity, file counts, fragmentation status, and hardware info (WMI)

Optimized:

• Faster application startup performance
• Optimized marking/demarking operations for large amounts of files
• Improved hash calculation performance for faster duplicate detection

Modified:

• User Interface
• Consistent and improved terminology throughout the application
• Improved menu organization and structure for easier navigation
• Menu-driven access to tab control and view switching for better findability
• Improved tab scrolling behavior for overflow tabs
• Advanced header with additional features and controls
• Configuration & Settings
• New Duplicate Detection Configuration Options (Customizable Search Criteria)
• Architecture & Code Quality
• Improved management of concurrent analysis operations to avoid conflicts
• Improved file category classification system with more accurate type recognition

Info:

• Compatible with Windows 10 and Windows 11; x86 and x64 architecture
• Available in German, English, French, Italian, Spanish, Russian, Japanese and Chinese (Simplified)

4.5.1364 – published on 04/18/2024

Added:

• Available as an installation version alongside the previous Portable application
• Optimization of analysis performance when searching over a large number of files
• Revision of the user interface
• Simplified navigation in the tabs
• Menu items restructured

Fixed:

• Wrong icon in context menus
• Possible crash with special access permissions to directories
• Various small bugs

Info:

• Available in German, English and French

4.0.1363 – released on 09/26/2023

Added:

• Display of all selected elements in your own view
• Toolbar for faster navigation
• Menu for direct access to evaluations
• View menu restructured
• Security prompt when deleting files
• Settings for security prompt when deleting files
• Settings for Considering Removable Drives and Drives That Are Not Ready
• Deletion of duplicates only possible via marked files
• Automatic detection of connection states of network drives

Fixed:

• Copying file types caused a crash
• View optimized for statistics overview

Info:

• Available in German, English and French

4.0.1362 – released on 03/29/2023

Fixed:

• Fixed error when pasting into the address bar from the clipboard
• Fixed tagging for duplicates
• Duplicate search possible on the entire computer
• Fixed a bug when starting when transferring data to the Notepad
• Fixed issue with mapped drives when starting Windows
• Minor layout adjustments
• Typos corrected in some languages

Info:

• Available in German, English and French

4.0.1361 – Published on 03/14/2023

Info:

• Analysis of directories, drives, drive groups or the entire computer
• Possibility to save the analysis results in order to be able to analyze the directory structure even without a drive
• New UI with explorer-like navigation
• In-depth statistics
• Tree map for graphical representation of the space consumption of directories and files
• Prediction of whether and when the storage space will be used up with current constant development
• Search for files and directories
• Finding Duplicates
• Marking files across directory and partition boundaries
• Shell Operations
• Batch processing of files and directories
• Cloud Files: Consideration of Microsoft OneDrive Files
• Available in German, English and French