Create a USB Bootable Partition Manager to Manage Partitions Safely

Daisy updated on Jul 30, 2020 to Partition Master | How-to Articles

"I'm looking for a bootable USB partition manager which will be able to resize partitions without booting up OS."

This is a common need related to the partition manager in the forums. Given that, this article will guide you to create a bootable USB partition manager so to help you safely manage hard drive partitions without booting up OS:

Part 1. How to Create Bootable Partition Manager
#1. Download EaseUS Partition Magic Software and Prepare USB
#2. How to Create Bootable Partition Manager to USB with EaseUS Partition Master
Part 2. Use EaseUS Bootable USB Partition Manager and Safely Manage Partitions

What Is Bootable Partition Manager

Briefly speaking, a USB bootable partition manager is burnt with a partition magic software ISO file. With a bootable partition manager, Windows users can boot their PCs into a WinPE state from a USB bootable drive and manage partitions flexibly and safely. 

If you are looking for a complete guide of creating a bootable partition manager, follow the tutorials below, we'll show guide you to create a partition magic bootable USB and safely manage disk partitions without booting up Windows OS.

Part 1. How to Create Bootable Partition Manager 

In this part, you'll learn how to create a bootable partition manager to USB drive via the following two steps:

  1. #1. Download EaseUS Partition Magic Software and Prepare USB
  2. #2. Create a Bootable Partition Manager to USB

#1. Download EaseUS Partition Magic Software and Prepare USB

Note that to create a bootable partition manager to a USB flash drive, you'll need two important tools: 

①. EaseUS Partition Magic Software; ②. A USB flash drive.

Check out how to get the two tools ready so as to create a powerful bootable partition manager on USB.

First. Download Partition Magic Software - EaseUS Partition Master

EaseUS Partition Master is the best partition manager for both 32-bit and 64-bit Windows operating systems. EaseUS Partition Master can create a partition magic bootable USB that allows Windows users to boot PC from the USB drive to safely manage hard drive partitions.

Download Now

 Windows 10 is supported

Besides partitioning hard drive, RAID, EaseUS Partition Master can also partition USB drive, flash drive, memory card, and other storage devices.

Next. Prepare USB

To make the bootable USB work, before you start the creation process, make sure that your USB is ready. Here are some preparations for you to follow:

  • #1. Use a small USB drive - less than 64GB. It will gain a higher success rate for creating a bootable disk manager.
  • #2. Empty the USB - Don't save any data in the USB flash drive.
  • #3. Change or convert the USB to MBR. If your USB is with GPT, follow to convert GPT to MBR
  • #4. Change or format USB to the FAT32 file system.

#2. How to Create Bootable Partition Manager to USB with EaseUS Partition Master

After getting things ready, you can now launch EaseUS Partition Master, connect USB to your PC, and follow tutorial steps below to create a bootable USB partition manager on your own:


Step 1: Prepare a disc or drive

To create a bootable disk of EaseUS Partition Master, you should prepare a storage media, like a USB drive, flash drive or a CD/DVD disc. Correctly connect the drive to your computer.

Launch EaseUS Partition Master, go to the "WinPE Creator" feature on the top. Click on it.

create easeus partition master bootable disk

Step 2: Create EaseUS Partition Master bootable drive

You can choose the USB or CD/DVD when the drive is available. However, if you do not have a storage device at hand, you can also save the ISO file to a local drive, and later burn it to a storage media. Once made the option, click "Proceed".

create easeus partition master bootable disk

You have created an EaseUS Partition Master WinPE bootable disk now. You can manage your hard disks and partitions through the bootable drive whenever the computer fails to boot normally.

If you have RAID drives, load the RAID driver first by clicking Add Driver from the menu bar, which can help you add the driver of your device under WinPE environment, as some specific device cannot be recognized under WinPE environment without drivers installed, such as RAID or some specific hard disk.

Part 2. Use EaseUS Bootable USB Partition Manager and Safely Manage Partitions

After getting the EaseUS bootable USB partition manager ready, you can boot PC from EaseUS partition magic bootable USB and safely manage partitions in a WinPE environment. 

#1. Boot PC from EaseUS Partition Magic Bootable USB

Step 1. Connect the created bootable USB partition manager to your computer.

Step 2. Restart PC and press F2/F8/F11/Del to enter BIOS.

Step 3. Go to the Boot section, select and set PC to boot from "Removable Devices" (EaseUS bootable USB disk).

Step 4. Save the changes and exit. Continue booting up PC from the bootable USB.

After this, your PC will boot up from the bootable USB drive and enter the EaseUS Partition Master interface. You may now move to the next tutorial to start partitioning hard drive partitions.

#2. Safely Manage Hard Drive Partitions in EaseUS Bootable Partition Manager

What can you do after entering the EaseUS WinPE partition manager? It can perform basic and advanced partition operations on your hard drive without data loss, including:

Watch the video tutorial to manage your hard drive partitions:

Step-by-Step Guide to Manage Partitions using EaseUS Bootable Partition Manager:


Step 1: Install and launch EaseUS Partition Master

Run EaseUS Partition Master

Step 2: Partition Hard Drive

Shrink partition:

1. Right-click on a partition that you want to shrink and select "Resize/Move".

Shrink partition

2. Drag the end of the partition rightward or leftward or adjust the space by clicking the "Partition size" column. Click "OK" to continue.

Extend partition:

1. To extend partition, you need to leave unallocated space next to the target partition. If not, shrink a partition as mentioned above to leave enough unallocated space behind the target partition first.

2. Then right-click on the target partition and select "Resize/Move".

Extend partition

3. Drag the target partition handle into the unallocated space to extend partition. Click "OK" to continue.

Create partition:

1. On the main window, right-click on the unallocated space on your hard drive or external storage device and select "Create".

Create partition on unallocated space

2. Set the partition size, partition label, drive letter, file system, etc. for the new partition and click "OK" to continue.

Delete partition:

1. On the main window, right-click on the hard drive partition which you want to delete and select "Delete".

Select parittion to delete

2. Click "OK" to confirm.

Change partition drive letter:

1. Right-click the partition, and choose "Change Drive Letter".

Change Drive Letter - Step 1

2. Click the down arrow, choose a drive letter for the partition, then click "OK".

Step 3: Execute operations

Click the "Execute Operation" button at the top corner and keep all changes by clicking "Apply".


On this page, we explained what is a bootable partition manager, and guide you on how to create a USB bootable partition manager to safely partition hard drives without booting up OS.

If you need to execute some operations such as to extend system partition without booting up PC, to make things easy, we suggest you use EaseUS Partition Master for help.  

Download Now

 Windows 10 is supported

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Frequently Asked Questions

Why Choose EaseUS Partition Master?

"I've used Partition Master Professional many times to create, delete, format, move, rename, and resize partitions."PCWorld

"Partitioning tools have come a very long since the days of complicated command line utilities and EASEUS Partition Master is one of the most advanced programs available."TECH ADVISOR

"I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes."Lifewire

Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

Does EaseUS Partition Master license apply to multiple computers?

The license of Partition Master Professional and Server editions can be used on 1 computer only, while that for for the Technician and Unlimited editions can be used on multiple machines.

What is the difference between EaseUS Partition Master Trial version and the Free version?

Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

About EaseUS Partition Master

All-round disk & partition management software for personal and commercial use. Let it manage your storage drive: resize, format, delete, clone, convert, etc.

Video Tutorial

How to Partititon a Hard Drive on Windows 10/8/7