Are you facing Mac partition error couldn't unmount disk? Well, partitioning hard drive enables the users to store and manage data accordingly for easy access. Whoever, sometimes it has been seen that due to certain reasons users face some issue while accessing data from Mac partition. However, emergence of such critical problem is caused due to corruption in your Mac partition. Mac partition error couldn't unmount disk is one such problem when users lose the access of several important files on Mac. However, there is no need to worry about as you can fix this issue easily. In case of minor corruption problem you can take the help of inbuilt disk utility feature. If disk utility fails to resolve Mac partition error couldn't unmount disk issue completely then in such circumstances you will need to format your entire hard drive and reinstall the OS. It will fix all kind of corruption on your Mac but at the same time it will also remove all your precious data from hard drive. Well, you can easily restore all your important files even after formatting hard drive as well by using Mac Data Recovery Software. Therefore, it is recommended to use this significant utility in order to rescue files after Mac partition error couldn't unmount disk.