

#PARTITION EXTERNAL HARD DRIVE MAC AND PC HOW TO#
You can add additional partitions to the external drive by either of the methods given below. How to partition external hard disk on Mac Connect the external hard disk to the Mac. An example of how to install Windows 10 on a external drive can be found here. Many answers have been posted here at Ask Different regarding the installation of Windows 10 to EFI boot from external drives. Most users install Windows 10 to EFI boot from the external drive. You can either add partitions for additional volumes on the external drive while installing Windows or you can add the partitions after you have installed Windows. The use of third party tools is unnecessary since Apple and Microsoft together provide all the necessary software required to install Windows 10 on an external HDD or SSD of any intel based Mac that can boot Windows 10 from an external HDD or SSD.

The link you have provided outlines a method which requires a third party tool to install Windows 10 on an external HDD or SSD. How does one go about using an external HD for backing up on both Mac and Windows machines I would ideally like to use Time Machine on the mac side.
