Mac: Create a new partition

Here's how you can easily create a new partition on your Mac's hard drive:

Shrink existing partition on Mac

To add a new partition, it is usually necessary to reduce the existing partition (s). To do this, perform the following steps:

1. Open the hard disk utility with "Programs" -> "Utilities" -> "Hard disk utility".
2. Select the hard disk that you want to partition then click on the [Partition.] Button
3. In the right window you can see the logical division of the hard disk under "Partition layout". Click on the lower right corner and hold the mouse button down. This is how you can shrink the partition. Make sure that there is still enough space under the blue area (occupied area) for future data (white area). In the "Size" field you can see the size of the partition to be reduced in GB.

Create a new partition on Mac

In the now unpartitioned area of ​​the hard disk, you can create one or more new partition (s):

1. Click the [+] icon under the partition layout.
2. Click on the newly created partition and enter the name of the new partition under "Partition information". Select the desired file system in the "Format" drop-down box.
3. If you want to add another partition, click the one you just created and then click the [+] icon again. To edit the sizes of the new partitions, click on them and enter the new value in the "Size" field. All other partition sizes are automatically adjusted.
4. Finally click on [Apply] to carry out the partitioning. If you want to cancel the process, click on [Reset.]

Learn how to format your Mac's hard drive here.