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Apple has given you several options to choose from should you ever need to format or reformat your drive. The simple reason you might want to completely wipe your Mac's internal drive is that it has encountered one serious error or another. Part 4: How to Fix Errors When Formatting Mac Hard Drive.Part 3: Different Formats of Mac Hard Drive.Part 2: When You Need to Format Disk on Mac.WARNING: Formatting the drive will erase all data on the drive, so you should copy any data you want off the drive prior to formatting. Set Format to Mac OS Extended (Journaled)
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Check step 2 to confirm Disk Utility is Showing All Devices. NOTE: If you don’t see Scheme, then make sure that all devices are showing and the non-indented entry is selected. Select the non-indented entry, you will see Media in the nameĬlick the button labelled Erase in the menu which will bring up this window.IMPORTANT: This option is not available or required on macOS 10.11 (El Capitan) or 10.12 (Sierra), proceed to step 3 Click View in the upper left and select Show All Devices.To open Disk Utility - Open Finder > Applications > Utilities > Disk Utility IMPORTANT: Reformatting the drive will erase all data on the drive, so you should copy any data you want off the drive prior to formatting. If you need to go between macOS and Windows, format your drive ExFAT on macOS Mac OS Extended (Journaled) does not work natively with Windows.It is required when using Time Machine for the operating systems listed earlier.It is important to keep the following in mind when formatting Mac OS Extended (Journaled): Not seeing your version of macOS? Click here to see other versions of macOS and different formatting options.Not sure which version you are using? Click here to determine your version of macOS.IMPORTANT: This article applies to the following macOS versions:
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