Data recovery is the process of recovering or restoring digital information that is no longer available for some reason. A good example would be any file that was accidentally deleted, lost, or infected. The data recovery process varies depending on the circumstances under which it was lost.
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What is data recovery? [What is data recovery? in English]
There are many software products that can help recover data damaged by a disk crash or virus. In addition, there are companies that specialize in data recovery. Of course, not all data is recoverable, but data recovery experts can often restore a surprisingly high percentage of data on damaged media.
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In the general data recovery category, a few different types of techniques are applied to specific scenarios. Hardware data recovery technology works on situations where a system failure prevents easy access to a hard drive. With more sophisticated hardware, this problem is easily solved.
Another type of data recovery technique is applied to disk level failures, where a more detailed view may be required. Other types of data recovery pertain to data that has been deleted and possibly overwritten, where data recovery involves the specific manipulation of bits recorded on the drive.
Some important data recovery techniques that apply to disk failures and other scenarios are sometimes called in-place repair and read-only data recovery. The first type uses utilities and other resources to fix Outlook disk errors. The read-only approach makes a copy of a drive where the data can be extracted.