Cannot Format MS-DOS Volume for Mac OS Extended in OS X
With some external hard drives being shipped in a FAT 32 (PC) format, it is recommended that they be formatted for Macintosh’s native format (Mac OS Extended or Mac OS Extended (Journaled)) when backing up Macintosh volumes.
When you enter Disk Utility to initialize or erase the new volume, it does not have the option to format as "Mac OS Extended".
- To format the external hard drive for "Mac OS Extended", first select the main volume of the external hard drive in…
