Very often, people purchase software to recover lost files and discover that the program they bought is only applicable on computers running Windows. Software to recover files accidentally deleted or lost due to file corruption on Windows PCs will not recover files on Apple Macs. To recover Mac data you will need to purchase a program targeted exactly to this function. You may expect to pay almost twice as much for a program for partition recovery on a Mac as you would to buy a simple Windows data recovery program. The reason for this is that Mac data recovery is a far more sophisticated and complicated process.
A Mac data recovery program must essentially trick your computer into thinking that everything is well and fine within your failed hard drive. This allows the program work in conjunction with your Mac OS X operating system to open files stored on your hard drive and let you copy them to a safe external location. Once you have saved these files you may reload your Mac operating system safely.