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The operating system installed on Mac computers are known to be one of the most stable and secure as it is based on the solid foundation of UNIX. Apart from providing security and stability the Mac OS features various graphically enhanced applications and offers multi-way chatting, animations, soft drop shadows and a lot of other features. Moreover, Mac OS offers easy customization, accessibility and automatic alerts for most of its tools and it also provides a better web surfing experience and support for popular scripting languages.

Even though the Mac OS offers a stable system it is not entirely free from flaws. There are certain loopholes in the system which can lead to serious consequences like data loss, corruption and eventual crash. The Mac OS can crash due to various internal factors like power outage, voltage fluctuation, abrupt shutdown and volume header corruption. External factors for corruption include infection from viruses and Trojans which penetrates into the system and wreaks all kinds of havoc. Once the hard drive becomes corrupt users will find it extremely difficult to open files and folders and while opening a corrupt file the system may show the following error message on the screen: ‘Unknown error 39: end of file or no additional data in the format’

Once this error begin to appear on various files you will lose all access to them and need to use a backup to recover the loss. However, the best way is to go for Mac data recovery through the integrated ‘Disk Utility’ tool. If this utility fails to repair the corrupt sector you need to run ‘fsck’ command manually with appropriate options. If the problem persists even after this, you may need to format and reinstall the OS. After reinstalling the OS you may choose to recover the lost data with the help of external third-party recovery software.
If you are looking for the right kind of recovery software for your Mac system, you need to visit our section on Free Recovery Software Downloads. Here you will find the right kind of recovery tool for your Mac and download it for free.

Article Source : http://www.softwarebazar.com/view_news/195/essential-tips-for-mac-data-recovery-and-solving-unknown-error-39