With the help of free tool MiniTool Partition Wizard as well as Mac Disk Utility, you can easily increase/decrease the size of Bootcamp partition without deleting Windows. Click to tweet However, here we also want to share another tool, MiniTool Mac Data Recovery, for you since you cannot ensure absolute data security all the time. Change the size of the partition It's not possible to change the size of the partition after installing Windows, but you can remove the partition and create a new partition of the correct size. Don't try to resize your partition with Windows or a third-party app. If it reads 'Mac OS Extended (Journaled)', congratulations, you successfully restored the grayed-out Disk Utility and your hard disk is now compatible with macOS. How to download lightroom 5 for mac. Partitioning Your Hard Drive on Mac. Now that you have prepared your hard drive to work with Mac, the next step is to partition it on your Mac by following these steps. Open Disk Utility and select the hard drive whose partition you want to resize. Switch to the Partition tab and click on the partition to resize. Click and hold the dragging widget on the bottom side of the screen to adjust the size. Keep the size as you want and finally click on the Apply button to finalize the changes.
Disk Utility User Guide
Mac Os Change Partition Size Windows 10
Partitioning a disk divides it into individual sections known as containers.
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.
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.
In the Disk Utility app on your Mac, select a volume in the sidebar, then click the Partition button in the toolbar.
If Disk Utility isn't open, click the Launchpad icon in the Dock, type Disk Utility in the Search field, then click the Disk Utility icon .
If you have multiple storage devices connected to your Mac, make sure you select a volume that's on the device you want to partition.
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.
Read the information in the Apple File System Space Sharing dialog, then click Partition.
Click the Add button below the pie chart.
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.
Click the Format pop-up menu, then choose a file system format.
Enter the size or drag the resize control to increase or decrease the size of the volume.
Click Apply.
Read the information in the Partition Device dialog, then click Partition.
After the operation finishes, 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 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 in the toolbar.
If Disk Utility isn't open, click the Launchpad icon in the Dock, type Disk Utility in the Search field, then click the Disk Utility icon .
In the Apple File System Space Sharing dialog, click Partition.
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.
Click Apply.
Read the information in the Partition Device dialog, then click Partition.
After the operation finishes, click Done.
Erase a partition
Mac Os Disk Partition Tool
Mac Os Partition Vs Volume
In the Disk Utility app on your Mac, choose View > Show All Devices, then select the container you want to erase in the sidebar.
If Disk Utility isn't open, click the Launchpad icon in the Dock, type Disk Utility in the Search field, then click the Disk Utility icon .
Click the Erase button in the toolbar.
If the Erase button is dimmed, you can't erase the selected container.
Type a name for the volume in the Name field.
Click the Format pop-up menu, then choose a file system format.
After the operation finishes, 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.
In the Disk Utility app on your Mac, select a volume in the sidebar, then click the Partition button .
If Disk Utility isn't open, click the Launchpad icon in the Dock, type Disk Utility in the Search field, then click the Disk Utility icon .
In the Apple File System Space Sharing dialog, click Partition.
In the pie chart, select the partition you want to delete, then click the Delete button .
If the Delete button is dimmed, you can't delete the selected partition.
Click Apply.
Read the information in the Partition Device dialog, then click Partition.
After the operation finishes, click Done.
