The data recovery software is completely portable and will display all hard drives and removable drives that are connected to the computer system after startup. The next page provides a checklist of various file types that can be recovered by DiskDigger. It is divided into the three categories photos and images, documents and Audio & Video. All files are selected by default but it is possible to uncheck file types so that the program is only scanning the hard drive for those file types.

Several popular file formats are missing in the list. The documents category for instance contains only Microsoft Office documents and the pdf format. That’s a limiting factor as it is not possible to add file types to the list.

DiskDigger will display three tabs after that selection that contain the various file formats that have been found on the selected hard drive separated into their three categories. Previews are available for some file types, mainly those located in the image category. What sets DiskDigger apart from other tools that can recover deleted files is that it acts independently of the file system. It should theoretically work with damaged partitions. Other file recovery tools might fail because of that.

Here is a list of alternative programs that can be used to recover deleted files: (all link to Ghacks)

Forensic Data Recovery Software
Smart Data Recovery Enterprise
File Recovery Undelete My Files
Data Recovery Tools Encopy
DVD Data Recovery Software
Recover Deleted Files

Got any software to recover deleted files to add? Let us know in the comments.

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Assuming that the initial backup completed error free the most common cause of loosing data are (partial) unreadable backups. It’s actually pretty easy to test if you have CDs or DVDs lying around that you burned several years ago. It is not uncommon that several files on those disks might be unreadable. There can be quite a few causes for this like scratches, exposure to sunlight, great heat or humidity.

One way of making sure that a DVD backup is still readable is to check it periodically with DVD data recovery software that can check file integrity on the disk and provide additional options like computing and comparing file hashes of previous tests or of files on the hard drive.

CD Check is a free for personal use CD and DVD data recovery software that can also check and compare files and directories on the disks.

The data recovery software provides four main functions that are all useful in the backup process.

• Hashing: Create hashes of files residing in a specific directory of the computer. This can be a partition, folder, CD or DVD drive. Various hash types like MD5, CRC-32 or SHA-512 are available. In addition ISO compliance can be checked.
• Check: Check a source folder for errors. Can be used in combination with a hash file to check file integrity.
• Compare: Compare two folders and define compare direction
• Recover: Data recovery that tries to recover unreadable files

The DVD data recovery software can deal with audio and data CDs, data DVDs and DVDs with media ratings. The software program comes as a portable version and an installer and is compatible with all Microsoft operating systems from Windows 95 to Windows Vista.

The download version requires a free registration at the software developer’s website to receive a free registration key to be able to use the dvd data recovery software for more than 30 days.

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