Alternatively, you can look into expanding your hard drive (if possible) or partitioning on an external hard drive, which we’ll discuss below.īefore you partition hard drives, it’s highly recommended to make sure that you don’t have any junk or unneeded files on your Mac, so you have a clear picture of how much space is actually being used for the files you need. In case you find yourself running out of space often, partitioning is not recommended. Volumes are also much easier to remove, when you’re done testing the beta, for example. This is especially valuable since you need a lot of space for installing a new operating system - and that space won’t really be used later on. So you’ll likely be left with either more or less space than needed.Īn APFS volume, on the other hand, is flexible and can increase and decrease in size as required. When you create a partition, you assign it a certain amount of storage from your hard drive, which is very difficult to change later. The difference is that volumes can be created within the same partition and are much easier to manage. On Catalina and later (with APFS file system), Apple recommends you to create separate volumes instead.
On all macOS versions before Catalina (running HFS+ file system), you have to partition your hard drive.
Macbook external hard drive how to#
The first thing to know about how to partition Mac hard drive is that there are now actually two different options available to you. Let’s explore what it takes to partition hard drives on your Mac, how to partition external hard drives, how to format a hard drive for Mac, and a few extra partitioning tips and tricks. In fact, all the recent Macs already come with partitioned hard drives, since they contain a secret boot drive with the macOS Recovery System and a few other essential utilities that help you fix your Mac when there’s a critical problem. Effectively, partitioning gives you two computers in one. Partitioning is basically a way to divide your hard drive into separate containers that don’t really interact with each other and can coexist without any interference.
So you could have a beta version of a new macOS running alongside your stable one, or even a completely different operating system like Windows. The most common reason for trying to partition Mac hardrive has always been the ability to install two operating systems on the same computer at once.
Macbook external hard drive for mac#
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