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Changes in the respective versions of O&O DiskImage Premium (Changelog)

Version 21

22.0.1122 – released on 11/25/2025

Added:

  • Backup Mounting and Management
    • Backups can be mounted as drives under Windows
    • Mounted backups under Windows can be removed
    • Backups can be converted to virtual drives in VHDX format
    • Retention policies for the maximum number of backups can be defined
    • Individual backup files can be manually deleted from backups
    • Automatically assign available drive letters when mounting backup images
    • Improved handling of encrypted images with better password security
    • Streamlined mounting process with fewer steps
  • Report Management
    • View and manage all backup reports in one place
    • Display detailed information about backup operations
    • Delete old or unnecessary reports with confirmation
    • Reports are automatically loaded when the application starts
    • View reports for each backup set in the backup management screen
    • Reports are created for failed or canceled backups
  • Boot Media
    • The boot medium can now be used independently of the original hardware (e.g., when changing computers)
  • FortressMode Logging
    • Automatic logging when running in Windows Recovery Environment (WinRE)
    • Log files are saved to RAM disk (X:) during recovery operations
    • Logs are automatically copied back to the original location when exiting
    • Comprehensive documentation for troubleshooting recovery scenarios
  • Backup Validation
    • Improved validation dialog that automatically detects file type (VHD/VHDX or backup files)
    • Validation now uses the correct method based on the file being checked
  • Backup Set Management
    • Detection of incomplete backup sets (missing base backup)
    • Restore option is disabled for backup sets without a complete base backup
    • Clear status indicators showing backup set validity
    • Ability to view backup information even when restore is not possible
  • User Experience
    • Helpful hints when a drive is too large to restore to available targets
    • Suggestions for alternative file-based restore options
  • Settings Management
    • New tracking system for settings changes
    • Confirmation dialog when applying backup settings globally

Changed:

  • Backup Strategy
    • The backup strategy in saved tasks can now be changed retroactively
  • Compression
    • ZIP-Deflated compression method is automatically replaced with standard compression for disk images, as the method is only valid for file backups
    • Changed compression algorithm for disk images to LZNT1 for better performance
  • Hardware Detection
    • External USB drives are detected more reliably
  • Performance
    • Startup process optimized
    • Faster application startup, especially with slow USB devices connected
    • Background scanning of drives to prevent interface freezing
    • Improved responsiveness during backup and restore operations
  • User Interface
    • Optimizations in dark mode
    • Headers are now readable in dark mode
    • Better visual feedback during operations
    • Improved layout and text display in backup management screens
  • Translations
    • Fixed French translations where “Backup” was incorrectly translated
    • Corrected multiple French translation errors
    • Improved handling of localized text throughout the application
  • Licensing
    • Updated license system with improved validation
    • Better handling of different machine IDs in recovery mode
  • Installation
    • Improved installation process with better component selection
    • Updated installer packages for Windows Recovery Environment
    • Corrected company name for Laplink OEM builds
  • Backup Operations
    • Improved calculation of space needed for backups
    • Better handling of excluded files and folders in size calculations
    • More accurate space requirements shown before starting backup

Fixed:

  • FortressMode
    • Creation of fortress mode corrected
    • Licensing in fortress mode corrected
  • Updates
    • Update checks were not performed under certain circumstances
  • Critical Fixes
    • Fixed application freeze on startup when slow USB devices are connected
    • Fixed crashes related to missing backup files
    • Improved error handling to prevent unexpected application closures
  • User Interface
    • Fixed text display issues in backup size information
    • Corrected layout problems in various dialogs
    • Fixed missing links in help documentation
    • Improved display of deleted backups in the backup list
  • Domain Users
    • Fixed detection of backup privileges for domain user accounts in scheduled tasks
  • Resource Issues
    • Fixed inconsistencies in displayed text and labels
    • Corrected typographical errors in user interface
    • Fixed application title display issues
  • Installation
    • Fixed errors during custom installation
    • Corrected issues with Windows shell integration

Removed:

  • Optical drives (CD/DVD) are no longer shown in backup source selection

Security:

  • Enhanced password security for encrypted backup images using secure memory storage
  • Improved authentication checks for domain user accounts

Info:

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

Version 21

Version 21.0.1094 – released on 03.07.2025

Added:

  • New online help system
  • Accessibility optimizations

Changed:

  • Target directory is now updated when modifying destination paths in the settings
  • Scheduling in Fortress Mode is no longer possible, as it was not meaningful

Fixed:

  • Issues during restoration in Fortress Mode resolved
  • RAM disk is now hidden in Fortress Mode
  • System no longer failed to shut down automatically after backup
  • Duplication had to be started twice under certain conditions

Info:

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

Version 21.0.1074 – released on 28.05.2025

Fixed:

  • Changed drive mappings in Fortress Mode prevented license detection
  • Shutdown or restart in Fortress Mode could trigger an error message
  • Loading screen in Fortress Mode was too small

Info:

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

Version 21.0.1073 – released on 27.05.2025

Added:

  • When creating a boot medium, removable drives can now be selected immediately

Changed:

  • In Fortress Mode, the application now opens in full-screen mode
  • Closing in Fortress Mode allows an immediate restart or shutdown of the system
  • Opening the main application from the notification area has been improved

Fixed:

  • Backup drives are now recognized as unreachable more quickly
  • The handling of the exclusion list in drive backups has been corrected
  • The notice about a parallel installation of the Professional Edition is now displayed after updates
  • Invalid drives can no longer be selected during duplication
  • The opening of the main application from the system tray application has been improved

Info:

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

Version 21.0.1061 – released on 13.05.2025

Added:

  • Integrated support for backing up individual files
  • A splash screen now appears when the application starts
  • O&O DiskImage Professional and Premium Edition can be installed side-by-side
  • The installer now informs you if an existing O&O DiskImage Professional Edition is detected
  • Selection list now includes *.avhd and *.avhdx files
  • Orphaned tasks in Windows Task Scheduler are detected and removed

Changed:

  • Revamped interface for managing backups
  • The boot-media creation tool can now run only one instance at a time
  • The backup-technology option is hidden when performing a file backup
  • Boot-medium creation is no longer offered in Fortress Mode
  • Backups are synchronized between the base system and Fortress Mode

Fixed:

  • Corrected calculation of the next scheduled backup time
  • Special drive types (e.g., RAM disks) are now detected properly
  • Deleting backup tasks in Fortress Mode no longer triggers an error
  • Unrealistically high write speeds are now intercepted
  • Corrected processed data size during file backup restoration
  • Eliminated error messages caused by missing DLLs in Fortress Mode
  • Corrected license management in Fortress Mode

Info:

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

Version 21.0.1031 – released on 16.04.2025

Changed:

  • O&O Syspectr can now be integrated into the boot medium if needed
  • The layouts of O&O BuildPE and O&O ShellConfig have been standardized and revised

Fixed:

  • O&O BuildPE now starts in the preset language and respects the selected dark mode
  • The creation of the boot medium has been corrected
  • Reading files from VHD/VHDX backups has been corrected
  • Occupied drives were not offered during cloning; now they are

Info:

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

Version 21.0.1021 – released on 09.04.2025

First public version

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