External hard drives are very useful tools. You can use them to back up important files or even install applications on them for portable use. People use them all the time for a variety of reasons. Thus, you should learn how to format and partition one in case you ever need to. Here is how to format an external hard drive on a Mac, and we’ll go ahead and show you how to partition one as well.
Also read: What is Apple Time Machine and how to use it