Partition Utility For Mac

Disk Utility User Guide

Partitioning a disk divides it into individual sections, each of which acts as a separate volume.

However, with APFS, you shouldn't partition your disk in most cases. Instead, create multiple APFS volumes within a single partition. With the flexible space management provided by APFS, you can even install another version of macOS on an APFS volume.

MiniTool Partition Wizard Free. Supports lots of common disk partitioning tasks. Lets you extend. Resize Partition on Mac with Disk Utility. Mac Disk Utility is a powerful built-in application in Mac OS that has undergone a series of changes with every major OS update. Many Mac users have complained that using Mac Disk Utility to resize a Mac Volume is no longer easy. However, being an experienced Mac expert, we feel its interface is user.

Important: If you're partitioning your internal physical disk because you want to install Windows, use Boot Camp Assistant instead. Do not use Disk Utility to remove a partition that was created using Boot Camp Assistant. Instead, use Boot Camp Assistant to remove the partition from your Mac.

Add a partition

Important: As a precaution, it's best to back up your data before creating new partitions on your device.

1. In the Disk Utility app on your Mac, select a volume in the sidebar, click the Partition button , then click Partition.

   Internal storage devices appear below the Internal section in the sidebar. External devices appear below the External section in the sidebar.

   When you select a volume that already has data on it, the pie chart shows a shaded area representing the amount of data on the volume and an unshaded area representing the amount of free space available for another volume. Disk Utility also shows whether the volume can be removed or resized.

   Note: If you see a small volume with an asterisk, the partition is smaller than can be represented at the correct scale in the chart.

2. Click the Add button .

3. Type a name for the volume in the Name field.

   For MS-DOS (FAT) and ExFAT volumes, the maximum length for the volume name is 11 characters.

4. Click the Format pop-up menu, then choose a file system format.

5. Enter the size or drag the resize control to increase or decrease the size of the volume.

6. Click Apply, click Partition, then click Continue.

   Click Show Details to view the step-by-step process of creating a new volume.

7. After the volumes are created, click Done.

After you partition a storage device, an icon for each volume appears in both the Disk Utility sidebar and the Finder sidebar.

Delete a partition

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.

1. In the Disk Utility app on your Mac, select a volume in the sidebar, click the Partition button , then click Partition.

2. In the pie chart, click the partition you want to delete, then click the Delete button .

   If the Delete button is dimmed, you can't delete the selected partition.

3. Click Apply, then click Partition.

4. After the volume is deleted, click Done.

Erase a partition

1. In the Disk Utility app on your Mac, select the volume you want to erase in the sidebar.

2. Click the Erase button , then click Erase.

   If the Erase button is dimmed, you can't erase the selected volume.

3. After the volume is erased, click Done.

Enlarge a partition on a storage device

If you have multiple partitions on a device and one of them is running out of space, you may be able to enlarge it without losing any of the files on it.

To enlarge a volume, you must delete the volume that comes after it on the device, then move the end point of the volume you want to enlarge into the freed space. You can't enlarge the last volume on a 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.

1. In the Disk Utility app on your Mac, select a volume in the sidebar, then click the Partition button .

2. In the pie chart, select the partition you want to delete, then click the Delete button .

3. Click Apply.

   The partition is removed, reformatted, and all free space is assigned to the previous partition.

4. Click Done.

• Partition Manager
  A partition management software to create, delete, format, hide/reveal, and resize partitions in your Mac hard drive.

Features

Stellar Partition Manager is the best partition management utility for Mac OS. The software is meant to manage your Mac partitions including Boot Camp and thus optimizes your hard drive performance.

Create Mac Partition/Volumes

Add or creates new HFS, FAT, EXFAT Partitions from available free spaces

Delete Mac Partition/Volumes

Removes HFS, FAT, NTFS, EXFAT partitions from Mac internal / external hard drives

Repartition Without Data Loss

MiniTool Partition Wizard Free. Supports lots of common disk partitioning tasks. Lets you extend. Resize Partition on Mac with Disk Utility. Mac Disk Utility is a powerful built-in application in Mac OS that has undergone a series of changes with every major OS update. Many Mac users have complained that using Mac Disk Utility to resize a Mac Volume is no longer easy. However, being an experienced Mac expert, we feel its interface is user.

Important: If you're partitioning your internal physical disk because you want to install Windows, use Boot Camp Assistant instead. Do not use Disk Utility to remove a partition that was created using Boot Camp Assistant. Instead, use Boot Camp Assistant to remove the partition from your Mac.

Add a partition

Important: As a precaution, it's best to back up your data before creating new partitions on your device.

1. In the Disk Utility app on your Mac, select a volume in the sidebar, click the Partition button , then click Partition.

   Internal storage devices appear below the Internal section in the sidebar. External devices appear below the External section in the sidebar.

   When you select a volume that already has data on it, the pie chart shows a shaded area representing the amount of data on the volume and an unshaded area representing the amount of free space available for another volume. Disk Utility also shows whether the volume can be removed or resized.

   Note: If you see a small volume with an asterisk, the partition is smaller than can be represented at the correct scale in the chart.

2. Click the Add button .

3. Type a name for the volume in the Name field.

   For MS-DOS (FAT) and ExFAT volumes, the maximum length for the volume name is 11 characters.

4. Click the Format pop-up menu, then choose a file system format.

5. Enter the size or drag the resize control to increase or decrease the size of the volume.

6. Click Apply, click Partition, then click Continue.

   Click Show Details to view the step-by-step process of creating a new volume.

7. After the volumes are created, click Done.

After you partition a storage device, an icon for each volume appears in both the Disk Utility sidebar and the Finder sidebar.

Delete a partition

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.

1. In the Disk Utility app on your Mac, select a volume in the sidebar, click the Partition button , then click Partition.

2. In the pie chart, click the partition you want to delete, then click the Delete button .

   If the Delete button is dimmed, you can't delete the selected partition.

3. Click Apply, then click Partition.

4. After the volume is deleted, click Done.

Erase a partition

1. In the Disk Utility app on your Mac, select the volume you want to erase in the sidebar.

2. Click the Erase button , then click Erase.

   If the Erase button is dimmed, you can't erase the selected volume.

3. After the volume is erased, click Done.

Enlarge a partition on a storage device

If you have multiple partitions on a device and one of them is running out of space, you may be able to enlarge it without losing any of the files on it.

To enlarge a volume, you must delete the volume that comes after it on the device, then move the end point of the volume you want to enlarge into the freed space. You can't enlarge the last volume on a 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.

1. In the Disk Utility app on your Mac, select a volume in the sidebar, then click the Partition button .

2. In the pie chart, select the partition you want to delete, then click the Delete button .

3. Click Apply.

   The partition is removed, reformatted, and all free space is assigned to the previous partition.

4. Click Done.

• Partition Manager
  A partition management software to create, delete, format, hide/reveal, and resize partitions in your Mac hard drive.

Features

Stellar Partition Manager is the best partition management utility for Mac OS. The software is meant to manage your Mac partitions including Boot Camp and thus optimizes your hard drive performance.

Create Mac Partition/Volumes

Add or creates new HFS, FAT, EXFAT Partitions from available free spaces

Delete Mac Partition/Volumes

Removes HFS, FAT, NTFS, EXFAT partitions from Mac internal / external hard drives

Repartition Without Data Loss

Partitions the Mac hard drive as per your choice without loosing any data

Repartition Boot Drive

Creates Bootable USB to repartition Macintosh HD startup disk drive

Resize Mac Partition/Volumes

Shrinks and Expand Mac hard drives, volumes and BootCamp partition

Format Mac Partition/Volumes

Formats Mac hard drives and partitions to HFS, FAT, NTFS and EXFAT file systems

Partitioning External Drive

Creates, Removes and resizes partitions on an external hard disk drive

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Resize Boot Camp

Efficiently resizes Macintosh HD and Windows BootCamp Partitions

macOS Sierra Compatible

Supports - macOS 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6

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Partition Utility For Mac Mojave

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