Are you facing error opening Notebook files? Well, it is another corruption issue which may bother the Apple Mac Notebook users at any instance of life. There are several reasons which may leads the users to such annoying circumstances for example virus infection, file system corruption, missing or damaged catalog records, abrupt system shutdown, hardware or software issue, etc. If you are also going through same problem and need to fix error opening Notebook file issue then you can take the help of Disk Utility. It is an inbuilt feature to handle all kind of minor corruption issue on Mac OS X based systems. In case if corruption is severe and Disk Utility fails to resolve it, then in such critical situation you better opt for a professional third party tool Mac Data Recovery Software in order to access your after emergence of error opening Notebook file. It is very advanced, effective and easy to navigate tool which safely recover all kind of lost data on Mac. It allows the users to rescue files selectively. It also provides the preview of all recovered items before restoring data. It stores all rescued data automatically on users selected location. Hence, it is advisable to use Mac Data Recovery Software in order to recover files after error opening Notebook files.