Are you in a cumbersome situation where you need to format your Mac computer because it is not booting up ? You started to do the formatting but you faced the Mac OS X file system Formatting Error. It is recommended that you use the inbuilt disk utility and not just any other tool as it can worsen the situation. However if you are still facing the error then you would be wondering how you can fix Mac OS X file system Formatting Error. The formatting is needed because the drive has gone corrupted due to sudden closing of the system, storing of malicious files in the drive etc. if you have any technical skill then you can try to use the terminal or else restart the formatting process hoping that it will work. If the formatting process is done and the Mac OS X file system Formatting Error is resolved you can reinstall the operating system. However in this whole process the data will get lost. You can get the data back with the help of time machine and if you are not helping it helpful then you can use the Mac data recovery software. It will scan the drive and provide the preview from where data can be restored. You should get the software now and use it for complete recovery.