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O&O DiskImage v20

310 MBupdated 2026-09-09 ★ 4.3Pre-activatedBackup

DiskImage images entire drives, single partitions or changed files on a schedule. The interface keeps a one-click backup button, and the monitoring module can start a backup automatically as soon as a known external drive is connected.

The pre-activated Professional build adds a bootable rescue system, image mounting, file-level restore, AES encryption and support for virtual disks. Every image is verified automatically right after it is created and can be written to a network share.

What's inside

  • One-click backup of the whole system
  • Scheduled full and incremental images
  • Bootable rescue system for UEFI and BIOS
  • Mount images and restore single files
  • AES encryption and automatic verification
  • Automatic backup when a drive is connected

How to install

  1. Unpack the archive
  2. Run the installer and accept the wizard defaults
  3. Launch the app — the Professional edition is unlocked
  4. Create a rescue medium before the first image

System requirements

Windows 10/11 x64