How to Partition a Hard Drive on Mac Without Losing Data

You can use Disk Utility to add a new partition to an existing volume without losing any data . When adding a new partition, Disk Utility splits the selected disk in half, leaving all the existing data on the original disk but reducing its size by 50 percent.
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Partitioning a hard drive on your Mac can be a useful way to organize your files and data. However, it can also be a daunting task if you fear losing your data. In this guide, we will show you how to partition your hard drive on a Mac without losing any of your important files.

First, go to the Spotlight search and type “Disk Utility.” Once you have located the app, open it. The app will display the available drives on your Mac, including the internal and external drives. In this guide, we will focus on partitioning an external drive.

Next, select the external drive and click on the “Partition” option. If you only have one partition, you will see an option to shrink it. You can move the partition up or input a specific value, such as 200 gigabytes, and then click “Apply.” This process will not delete any of your current files on the drive, and it will only take a few seconds to complete.

Once the drive is partitioned, you can create another partition by clicking on the “+” sign. You can input a name for the new partition and click on “Partition” to complete the process. The app will take a few seconds to create the new partition, and you can now see two partitions on your external drive.

If you want to add more partitions, you can select the number of partitions you want by going to the top of the screen. However, be careful not to create too many partitions as it may slow down your Mac. Also, if you want to remove a partition, click on the “-” sign, and the partition will be removed without deleting any of your files.

In conclusion, partitioning a hard drive on your Mac can be a useful way to organize your files, and you can do it without losing any of your data. Just follow the steps outlined in this guide to partition your hard drive easily.

FAQ

Will partitioning a drive erase the data Mac?
Enlarge a partition on a storage device WARNING: When you delete a volume or partition, all the data on it is erased. Be sure to back up your data before you begin. In the Disk Utility app on your Mac, select a volume in the sidebar, then click the Partition button .
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Can I partition hard drive without losing data?
Best way to repartition hard drive without losing data. Using Disk Management and DiskPart to repartition a hard drive in Windows PC, you can only shrink or extend the NTFS partition. Besides, the “Extend Volume” option only works when there is contiguous unallocated space on the right side of the target volume.
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Can I partition an external hard drive that already has data on it Mac?
I'd like to partition the drive but don't want to have to back up all my data to another drive, partition this drive, and then move my data back. Is there a way to safely partition it with my data still on it? Yes. You can do this with Disk Utility (found in /Applications/Utilities).
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How do I format a hard drive on a Mac without losing data?
Can I reformat a hard drive without losing data on a Mac? Yes, you can reformat a hard drive without losing data on a Mac by using Time Machine to back up your data to another drive. Then, you can use Disk Utility to format it.