The longer a file has been deleted, the harder it is to recover. Many files can survive multiple rewrites before all of their contents are deleted, but they may suffer varying degrees of corruption. Being open real estate on the hard drive, your operating system will wait until new data needs to be written, then the file structure of the old deleted file is overwritten. Even though the file appears to have gone and your operating system does not show the file, this does not mean it’s gone forever. Instead, your system marks the file with a binary code of zero, indicating to the operating system that the space is now open real estate and can be written to. When a file is deleted it isn’t actually deleted from your hard drive. To recover a file, we must first understand what happens to it when we delete it. Whether the deleted file was a picture, MP3, email, or document, to lose it can be devastating. Unfortunately, it’s an awful experience when you realize that your important files have vanished into thin air and panic sets in. Lastly, safeguard your computer by using a recommended antivirus that will protect against any data corrupting, deleting or stealing malware.Įven though we take the time to make backups, use high quality components, and follow safe web browsing techniques, data deletion is all too common. You should also confirm that your computer is built using high quality components, as low quality units may cause data corruption. Using a secondary hard drive running in RAID 1 or just as a backup storage drive is an excellent first step towards having a reliable backup. Whenever I post an article or review that deals with computer data recovery, I tend to think of the aphorism “if your data is important to you, keep it safe!”Ĭreating backups, using high quality computer components, and using safe internet browsing techniques are just a few ways of keeping your data safe from deletion, corruption, and/or theft.
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