It is advised not to change the built-in APFS-format into Mac OS Extended under any situation. The file system column on the Storage sidebar displays the current file format. To find out the current format of the drive, you can look into the System Information. How can I find out what format my Mac is?Ĭhoose between the format APFS or Mac OS Extended format carefully. Wait as the OS X Utilities window appears on the screen. Reboot the Mac and press Command + R keys during startup until you hear a chime. When you erase a hard drive, you basically format NTFS on Mac and change the format to a compatible one like AFPS or Mac OS X Extended (Journaled). You must have come across forums where people ask how to format NTFS on Mac. Formatting means erasing data on a drive while keeping the same format. This is done to make space for new data on the storage media. Overview of Formatting Mac Formatting means deleting, erasing, or wiping out the existing data from a drive. How do I wipe my Mac clean and start over? How do I factory reset my MacBook Air 2012? What does formatting mean on a MacBook Pro? This clears user settings from memory and restores certain security features that might have been altered. Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. How do I erase my MacBook Air and start over?

Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.

Choose Disk Utility and click Continue.

Hold down the Command and R keys on the keyboard and turn on the Mac.

How to reset a MacBook Air or MacBook Pro How do I restore my old MacBook Air to factory settings?

quit and install Lion from Apple’s servers (fast internet and AppleID required).

select Disk Utility and Erase the Lion Disk.

hold the command (cloverleaf) and r keys down and reboot the machine.

What do I do when my MacBook Air wont boot?.

How can I find out what format my Mac is?.How do you format a hard drive on a Mac?.What does formatting mean on a MacBook Pro?.How do I factory reset my MacBook Air 2012?.How do I wipe my Mac clean and start over?.How do I erase my MacBook Air and start over?.How do I restore my old MacBook Air to factory settings?.

How to reformat macbook pro 2011