Differential backupDifferential backup allows users to copy files created or changed since the last full or incremental backup. It does not mark files as having been backed up. If you are performing a combination of full and differential backups, restoration of files and folders requires that you have the last full as well as the last differential backup.
Testimonials and User Comments
 I am totally stunned at Acronis True Image's simplicity. I thought that I could not get a reliable image of my portables hard disk, but with 'Acronis True Image Deluxe' it's done without any trouble at all. What a result, after I have tried all the competitors software, and what a bargain of an upgrade for ANY portable computer user! Being able to restore files from a mounted partition image, as a new logical drive letter is so inspired. The manual is also very well laid out. Stunning, just get it before you regret it is my advice. I expected a clash with Direct-CD but no trouble at all, you know what you are doing! Such a pleasure to see quality software like Acronis True Image Deluxe.
Anton Hinxman
Aztec Consultants Limited
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Acronis Inc. Backup software.