How to Partition a Hard Drive on Mac 2019

Do you want to know how to partition a hard drive on Mac? If your answer is yes, then you gather up every detail related to partitioning from this article.

Aug 30,2019 • Filed to: Solve Mac Problems • Proven solutions

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If you have tried partitioning a hard drive without any previous experience then you understand that it is a daunting task. Handling the Mac partition manager is not as easy as it sounds. Once you learn the process, it gets pretty easy. The good thing is that you don’t need any external or third-party tool for partitioning.

So, in this article, we are going to guide you through partition and unpartition on Mac without any hassle.

Part 1. What Does Other Mean in Mac Storage?

Before you step into detail, first you need to understand what exactly the term partitioning means.

By Partitioning your Mac drive, you split the hard drive in two or more separate, usable systems. This feature allows the users to run multiple OS on the same system/device such as Windows and macOS simultaneously. You can even run two versions of macOS on the same system. The partitioning also divides the storage space on the hard drive. And a specific portion goes to each partition. So, if you are running out of storage, it is advised that either you extend the storage or avoid partitioning at all.

Here are some advantages of Partitioning that will convince you that it is beneficial for the users.

If you opt out for partitioning, make sure that your Mac has enough space otherwise the disk performance would decline and you might experience some working issues in both drives.


Part 2. How to Partition a Hard Drive on Mac?

There are two methods that allow the users to create a partition on Mac. The first method is using Disk Utility and the second one is using Boot Camp. Both these methods work great to partition hard drive on Mac.

Method 1. Disk Utility:

The Disk Utility is used when you wish to partition Mac and wants to install a different version of the same OS. As we all know, Disk Utility can perform various tasks on Mac including repair and partition. The Mac partition Manager is used for this process. Before you initiate the process, it is advised that you create a full backup of your device data in case some fault arises. This way, if anything goes wrong, you will still have a copy of your data files.

Now, follow the steps given below to partition your Mac drive:

  1. Press Command + Shift + U keys from the keyboard or access the Utilities in the Application folder. Open the Disk Utility application and select the Mac Internal drive.

    open-disk-utility

  2. You will see two options in the window, i.e. First Aid and Partition. Click on the Partition option and hit the “+” icon.

    switch-to-partition-tab

  3. A new partition will appear on the screen and you can set the storage space according to your requirements.

    set-storage-space

  4. Give a name to the new drive and tap on the Apply button. You might have to click on a lock symbol to finalize the actions.

You can make changes to the drive even after you’ve created the partition. When the process is finished, the partition will be visible on the main drive. The partition size can also be modified later when required.

Method 2. Boot Camp:

Remember that you cannot partition hard drive on Mac using Disk Utility if you want to install Windows on the other partition. The Boot Camp Assistant is a handy application for partitioning your Mac drive so that you can run and operate macOS and Windows altogether. In the later version of Mac, this application is pre-installed, so you only need to open it and follow the steps below:

  1. Open Application and go to Utilities. There you will find the Boot Camp Assistant. Double-click on the option to open the Boot Camp and print a copy of the installation and setup guide.

    open-boot-camp-assistant

  2. Click on the Create or Remove a Windows Partition option and Continue with the steps.

    create-window-partition

  3. Now, you have to select a hard drive for partition. If you already have multiple drives, you can select any one which you prefer.

    select-a-drive

  4. Determine the size of the partition for Windows OS. You can’t make a partition smaller than 5 GB and it is recommended that you at least keep 20GB of space for your partitions.

    determine-partition-size

  5. Click on the Partition button at the bottom of the interface and your new partitions will be ready to use.

    partition-ready

Now all there is left to do is to insert the Windows Installation disk and you will have multiple OS working on the same Mac system.

- 3 minutes to read it.

By following the same methods you can partition an external hard drive on Mac whenever you want.


Part 3. How to Delete Other Storage on Mac?

We have learned how to create a partition but knowing how to unpartition hard drive on Mac is also crucial. The good thing is that the steps are not much different from the above procedure.

Using Disk Utility:

If you wish to erase or remove the macOS partition, then you’ll have to use Disk Utility. You need to follow the steps as:

  1. Launch Disk Utility and click on the Partition which you want to delete from the volume.
  2. Here, select “Go”>” Go to Folder” or you can use “Shift + Cmd + G” shortcut.
  3. Switch to the Erase tab and ensure that the Mac OS X Extended is chosen. Tap on the Erase button to delete the partition.

    erase-partition-using-disk-utility

  4. After that, choose the app folder you want to get rid of it. Next, drag it to trash to delete them from your Mac.

    drag-to-trash

Within a while, the reallocated space will be distributed and you will be able to close Disk Utility.

Using Boot Camp:

As you used Boot Camp Assistant to create the Windows partition, you’ll also have to use the same app for removing the partition.

  1. Boot your Mac into the Mac OS X and open the Boot Camp Assistant. As the application interface opens up, you will see the Install or remove Windows option.

    remove-partition-using-boot-camp

  2. Continue and choose the Restore Disk to a single Mac OS partition option from the screen. Finalize the changes and hit the Restore button to begin the removal process.

It will take a while to remove the partition and when it is done, you can exit the Boot Camp.


Part 4. How to Recover Lost Data When Partitioning Mac?

The most common reasons why data get lost from a drive are given below:

Apart from these, there are other reasons too but these are the reasons which mainly affect the Mac hard drive. And as a result, data gets lost from the system. But you don’t have to worry about that now as Recoverit is here.

Recoverit - The Best Software to Recover Word Files:

Whenever you experience a data loss situation, Recoverit Data Recovery Mac will help you to retrieve it. This data recovery software will come in handy even when you’ve never made a backup of your device. You now know how to partition Mac hard drive and unpartition it. But knowing how you can recover the lost or deleted files from the drive is also necessary.

How to Recover Lost Word Files on Mac:

Step 1: Select a Location

Launch the software and select the drive from where the data files are lost. If you don’t know which drive to search, tap on the “I can’t find my partition” option and hit the Start button.

select-scan-location

Step 2: Scan the Location

Typically, the software will run an All-Around Recovery scan and search for the lost and deleted files on the entire drive.

scan-location

Step 3: Preview and Recover

When the scan completes, the files will be listed on the screen. The software will sort out the files according to format to make the search easier. You can select multiple files at a time and have a preview at them.

recover-email


Part 5. Tips for Deleting Other Files on Mac

Maybe you even know how to unpartition a hard drive on Mac; you still have to be careful during carrying out the procedure. So, here are some tips worth keeping mind to make sure that you don’t end up with some random error using partitioning or unpartitioning.


Conclusion

It can be concluded that creating and removing a Mac drive partition is not that tough. You just have to careful during the process. And in case of a mishap, Recoverit is always here for your help so that you don’t have to suffer from data loss situation.

Sue Wen

staff Editor

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