To create a partition on a flash drive without formatting / erasing existing data, you can use Mac’s inbuilt Disk Utility feature. Just select the “Partition” button in Disk Utility, click on the Add (+) button and follow the instructions. Step 1: launch MiniTool Partition Wizard, select the drive which needs to be reformatted and choose “Format Partition” function in left action panel. Step 2: you can choose to input a partition label and select a file system & cluster size in “ Format Partition ” window.

Stellar Partition Manager that allows you to perform basic partitioning operations, such as creating, deleting, resizing, formatting, and hiding/revealing a partition.

• A complete Mac Partition Manager utility

• Creates new partition(s) on Mac hard drive
• Resizes, formats, or deletes existing partitions
• Resizes Mac partition by optimizing the free space
• Resizes Boot Camp & NTFS partition with ease
• Compatible with macOS Sierra 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6

*Free download helps you evaluate the partition manager features. Stellar Partition Manager doesn't support macOS Mojave or APFS.

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Stellar Partition Manager is a solid app for comprehensive partition management on your Mac. Read More

EssentialMac

It’s a small, neat, simple to use utility that helps out with managing hard drive partitions. Read More

Key Features:

Create new Partition

The software allows you to easily and safely create partitions of any type on your Mac hard drive. If there is scattered free space on the drive, the comprehensive utility shifts the existing partitions to make sufficient space for the new partition to be created.

Delete Partition

Using the software, you can comfortably delete a partition on your drive to create more free space for other disk usage. It is advisable to backup all your important data before performing this task. For deleting the system partition, you require creating a bootable media using Stellar Partition Manager.

Resizes Boot Camp partitions & NTFS drives

With this Mac partition manager software, you can easily resize the Boot Camp partition so that both Windows OS & Mac OS X have appropriate partition sizes. User can also connect their NTFS formatted PC drives and resize the partitions as per need.

Resize Mac Partition

The software effectively resizes Mac partitions on any drive by adjusting and reorganizing the free space and thus, making the operation secure and free from any risk of data loss

Additional Advantages

Format Partition

The software facilitates easy and quick formatting of partitions when you wish to completely wipe off all data present on a particular volume to remove any unwanted virus and other malicious programs from the drive.

Create Bootable Media

Stellar Partition Manager enables you to create a bootable media that could be used to perform partitioning operations on the boot drive. You need to backup your important data before working on the boot drive. The bootable support for OS X 10.11.4 is added in the software.

Hide / Reveal Partition

You can anytime hide a partition to conceal your important information or make it inaccessible to any unauthorized person for safety reasons. You can easily unhide or mount this partition later by using the ‘Reveal’ option.

Roll back

This unique feature allows you to undo your last selection that you made to perform an action, but later decided not to proceed further

Try Stellar Partition Manager utility meticulously plans all partition operations

*Free download helps you evaluate the partition manager features. Stellar Partition Manager doesn't support macOS Mojave or APFS.

Software Specifications

Operating SystemmacOS Sierra 10.12, 10.11, 10.10, 10.9, 10.8, 10.7 & 10.6

Hard Disk50 MB of Free Space

Single User LicenseCan use only on a single system

FAQ's

1. Launch Stellar Partition Manager
2. Select your hard drive from the left panel
3. Use partition-edge to decrease the partition size
4. Click Add button from top-menu bar
5. Enter Partition Name, Size, Type
6. Click OK
7. Resize your Mac partitions accordingly using partition-edge
8. Click Play button to apply your changes

This will add another partition your Mac hard drive

1. Launch Stellar Partition Manager
2. Select your hard drive from the left panel
3. Click Format button from top-menu bar
4. Enter Partition Name, Size, Type
5. Click OK
6. Click Play button to save changes

This will format your Mac partition

1. Launch Stellar Partition Manager
2. Select your hard drive from the left panel
3. Click Delete button from top-menu bar
4. Click Play button to save changes

This will delete the partition from your drive

1. You need to create a bootable USB with Stellar Partition Manager to Format, Add, Delete or Resize partitions on a startup Mac hard disk drive.

2. No, need to create a bootable USB for managing non-booting partitions or partitioning external hard drives.

No, Stellar Partition Manager doesn't support macOS Mojave, High Sierra & APFS file system. The software is compatible with macOS Sierra 10.12 till Snow Leopard 10.6.

The partition you are trying to resize may contain some bad sectors. In such case, the resizing operation fails. Another reason could be that the partition has some errors in the file system.

You have made this partition hidden using Stellar Partition Manager. When the software hides a partition, you cannot perform any operation on this partition using Disk Utility. To mount or unhide the partition, you need to reveal it using the software itself.

No, the software does not allow merging partitions

How To Format Drive For Tivo

At times, it happens when Disk utility fails to resize any partition on Mac hard drive. It may be the Startup disk partition or any other logical partition that fails to resize via Disk Utility. In such cases, Stellar Partition Manager will help you resize the stubborn partition. This software will create the boot DMG & will start the Mac OS X in bootable environment. It then recognizes & collects free spaces on the Mac hard drive & easily let user to resize the partition to take the free spaces.

How To Format Drive For Time Machine

Please Note: Stellar Partition Manager recognizes &shows the free spaces on the Mac hard drive whereas Disk Utility doesn’t.

Format Hard Drive For Mac And Pc

Yes, it’s easier to resize Mac partitions through Stellar Partition Manager software over Disk utility because of the following reasons:

1. Mac partition manager UI is similar to the UI of older Disk Utility hence it is user friendlier as always
2. Mac partition manager software collects all free spaces at one place i.e. free spaces is gathered below all the partitions. Hence resizing Mac partitions with the availability of free spaces is extremely simple. Unfortunately, Disk Utility doesn’t collect free spaces, rather it makes free spaces as unused spaces.
3. When Disk utility fails to format some partition due to whatsoever reasons then this Mac partition manager tackles the situation smartly.
4. It has support to shift or resize Mac and BootCamp partitions.

Boot Camp Resizing is the new feature of Stellar Partition Manager V3.0 and older version such as 2.5 and 2.0 don’t support Boot Camp resizing. It is recommended to register the latest version of Stellar Partition Manger i.e. V3.0 in order to resize Boot Camp partition.

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Stellar Partition Manager

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When you buy a new hard drive, your first impulse may be to connect it to your Mac and start copying files to the new drive. But with all that new storage space it might make sense to partition the hard drive.

When you partition, you are dividing the hard drive’s storage space into sections. For example, you can partition a 1TB hard drive into two 500GB sections. Each section would appear on your Mac’s desktop like a single hard drive would.

Partitioning can help organize your data. You can create a partition that stores just the documents you create, or dedicate a partition to storing your iTunes media.

This tutorial goes through the steps of partitioning an empty external hard drive using Disk Utility, which comes with every Mac. The steps here are using Mac OS X 10.6.7 and should be similar for older OS versions.

We have a separate tutorial on how to partition the startup drive while it's being used to boot your Mac. That tutorial can also be used to partition an external hard drive that has data on it.