More importantly, you will know how to format external hard drive for Mac and PC and make external hard drive compatible with Mac and Windows PC without formatting. Then, after reading this post, you'll know what is the best format for your external hard drive and what is the best format for your Mac and PC.

How to format external hard drive for Windows PC?.How to format external hard drive for Mac?.Though the default hard disk file system (also known as format) of Windows and Mac are different, there should be some ways to format an external hard drive for Mac and PC.