Perfecting the storage drive in case Disk Utility fails to repair itīut storage drive formatting involves certain risks.Changing the file system format for cross-compatibility.Resolving corruption or unreadable error of the storage drive.Preparing the startup disk to reinstall macOS.You may even need to manually format your internal or external Mac storage drive or volume in the compatible file system.
Different file system formats exist for different operating systems. Recover Data Lost due to Accidental FormattingĪn internal or external Mac storage drive requires compatible files system format to be accessible in macOS. Format a Mac External Hard Drive Using TerminalĤ. Format the Startup Disk in macOS Recovery Modeģ. Back Up Your Mac Hard Drive before FormattingĢ.