If you would like to cover full Mac compatibility with a new external/portable hard drive or pen drive, then you will want to format the drive into the Mac OS Extended filesystem to install Apple OS. By default when we purchase a Hard Drive from market it formatted for windows OS rather than for Mac OS X.
When we insert the USB flash drive in Mac OS normally it works fine and show all the data as normal because MAC OS can easily read other popular filesystem formats, such as FAT, FAT32, MSDOS, ExFat, and NTFS formats, however if you want to make Bootable Mac device, formatting it to be completely Mac compatible filesystem is highly recommended for you.
In case you’ve no idea how to use and format the drive to use in Mac don’t worry, it is super simple and we will help you through the full procedure.
How to Format an External Drive for Mac Compatibility
This is an easy process and can be done easily by using the the SanDisk Cruzer Utility. Not Formatting a drive will erase all partitions and data on the disc:
Connect your USB or hard drive that you want to format.
Go to Applications > Utilities and Launch the Disk Utility.
Select the drive you want to format and click on the erase tab to finish the format. For more information see the below image.
Click the format type option and choose”Mac OS Extended (Journaled)” from the list.
Now set a name for your new hard drive don’t worry you can change the later any time.
Now you have set all just click the erase button to start the formatting process. See the image below for more information.
If you still have some questions and doubts please watch the video till end to understand about the complete Mac OS Formatting Process.
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