• Select the disk or volume in the sidebar, then click the Erase button. • Click the Format pop-up menu, then choose a volume format. • Mac OS Extended (Journaled): Uses the Mac format (Journaled HFS Plus) to protect the integrity of the hierarchical file system. • Mac OS Extended (Journaled, Encrypted): Uses the Mac format, requires a password, and encrypts the partition. • Mac OS Extended (Case-sensitive, Journaled): Uses the Mac format and is case sensitive to folder names. For example, folders named “Homework” and “HOMEWORK” are two different folders.

Import/Export Mac Mail Mailbox in macoS Sierra May 11, 2017 Leave a Comment Mac Mail in macOS Sierra allows you to export the mail messages of a mailbox in an email account as a backup/archive as well as the ability to re-import that mailbox content into another email account. Just formatting the drive won't do, as it will allow only APFS for SSD-based machines. Instead, hit Cancel and click Partition. Change the format to Mac OS Extended (Journaled), and then click Apply.

• Mac OS Extended (Case-sensitive, Journaled, Encrypted): Uses the Mac format, is case sensitive to folder names, requires a password, and encrypts the partition. • MS-DOS (FAT): Use for Windows volumes that are 32 GB or less. • ExFAT: Use for Windows volumes that are over 32 GB. • Enter a name for the disk or volume. • To prevent the erased files from being recovered, click Security Options, use the slider to choose how many times to write over the erased data, then click OK. Writing over the data three times meets the U.S.

Department of Energy standard for securely erasing magnetic media. Writing over the data seven times meets the U.S. Department of Defense 5220-22-M standard. • Click Erase, then click Done.