Overview

This is a general instruction about EaseUS Partition Master user guide, which contains Welcome and Edition Comparison. 

Welcome

Thanks for using EaseUS Partition Master. 

EaseUS Partition Master is a smart and reliable assistance to manage your hard drive in many different ways. With its help, you are able to easily organize and optimize your hard drive with Create, Delete, Resize and other dozens of powerful features.  

The user-friendly interface with comprehensive wizards greatly simplifies even the most complex operation on managing your partitions and ensures every feature in this product can be easy to found and navigate.

Edition Comparison

There are 5 available editions of EaseUS Partition Master in all. 

These available editions are different in features and license authorization.

Free edition - free for home users and doesn’t support Windows server operating system. Limited in some features. 
Professional edition - commercial version for desktops and laptops end users. 
Server edition - commercial version for Windows server users.
Unlimited Edition - commercial version for enterprise users. It allows unlimited usage within one company.
Technician edition - providing technical service with unlimited usage.

Detailed comparisons among different editions are in the table below. 

Getting Started

This section will tell you the hardware/software environment required to use the software and the supported devices by EaseUS Partition Master. The steps of install/uninstall are also included.

Hardware Requirements

EaseUS Partition Master requires the computer at least with X86 or compatible CPU with main frequency 500 MHz, a standard PC system with mouse, keyboard and color monitor, and the capability of the RAM memory equal or larger than 1.5GB.

Supported File Systems

• FAT12/FAT16/FAT32
• exFAT
• NTFS
• ReFS
• EXT2/EXT3/EXT4

Important consideration: Limited features are supported with EXT2/EXT3/EXT4 file systems, including Create, Delete, Copy (in Sector Mode only), Format, Resize.

Supported Storage Devices

IDE, SATA, SCSI, USB removable hard disk, Firewire Hard disk, USB flash drive, memory card, etc. Supported capability ranges from minimum 2 GB to maximum 16 TB.

Install and Uninstall

To install EaseUS Partition Master:

1. Double Click EaseUS Partition Master setup file to initiate the installation. The Setup Wizard page will be launched. Click Next to continue.  
2. Please carefully read the License Agreement, if you accept the terms, select I accept the agreement, otherwise, you will not be able to proceed with the installation. 
3. Choose a location to install the software, install it to the default folder by clicking NEXT, or click Browse to select a specified location. 
4. Set a location for the shortcut in Windows start menu.
5. Tick the corresponding option to create a shortcut on your desktop or Windows quick launch bar. Also, you can tick them both.
6. Click Install to confirm your previous selection and start the installation. The final page reports the end of the setup process. Click Finish to complete the wizard.

To Uninstall EaseUS Partition Master:

1. From the Windows Start menu, select Start > Settings > Control Panel (From the Windows Start menu, select Start > Control Panel in Windows 7/Vista)
2. Double-click Add/Remove Programs, and select Change or Remove Programs (Double-click Programs and Features in Windows 7/Vista).
3. Select EaseUS Partition Master, and click Remove to uninstall the related components (Select EaseUS Partition Master from the list and click Uninstall in Windows 7/Vista).
4. Or select Start > All Programs > EaseUS Partition Master > Uninstall EaseUS Partition Master. Then, follow the instructions of the uninstallation wizard.

Activate

1. To activate Free or Trial edition, please click Activate button at the top-right corner.
2. Copy and paste your license code to the box and then click Activate.

Main Interface

After the installation please double-click the program icon to launch. Once started you will get access to the program's main interface. 

Tool bar - This bar consists of 6 main parts of Partition Master.

Feature List - All the operations that are available to proceed to the selected drive/partition are listed here. 

Pending Operation List - By default, the program does not accomplish operations immediately, but places them on this special list. It helps to avoid possible mistakes as you should confirm all provided changes and saves your time and effort when executing several operations as you don’t need to wait for each operation to be physically completed before proceeding to the next one. You can click Undo to cancel the operation or Apply to proceed with it. 
Apply changes - execute all of the Pending operations
Undo the last change - cancel the last change from the list.
Redo the last change - relist the changes which are canceled by clicking "Undo last change" in the Pending operation.

Properties List - This area lists the disk/partition properties, such as drive letter, size, type and sectors.

Disk map and Legend Bar - This area displays the layout of all the storage devices recognized on this computer in the graphic map. Each device is represented with a rectangle bar that contains small-sized bar, which represents partitions. Some operations can be directly made from here if you right-click the selected disk/partition. 

Feature Introduction

Introduce the functions and features of EaseUS Partition Master in detail. It includes the sections below:

Create   Move/Resize   Merge   Clone   Conversion operations   Remove operations  

Partition Recovery   WinPE Creator   Other operations

Create

1. Select the unallocated space on a hard drive, and then click Create from the Feature List, or right-click. To create a partition/dynamic volume, before proceeding to the next step, you need to select a partition/volume type and add disk(s) to this volume.

2. In the opened window, enter a partition label to easily identify the partition later and assign a vacant drive letter from the drop-down list to associate with this partition. 

3. Select the desired File System, Cluster Size, and choose to create this partition as Primary or Logical. Generally, Primary should be selected if the partition created is used for the operating system. Otherwise, you can keep this partition logical.  
  
4. Drag and drop the border of the light blue bar or fill in the dialogs to define the partition size and position.

5. Click OK when ready. All the introduced changes to the disk layout will be pended until applied in Pending Operation List.

Allocate Space

1. Select a partition on your hard drive, and then click Allocate Space from the Feature List. 

2. In the opened window, you can choose to allocate the unused space of the selected partition to another partition on the same disk or create a new partition using the unused space.
  
3. Drag and drop the border of the light blue bar or fill in the dialogs to define the partition size and position.

4. Click OK when ready. All the introduced changes to the disk layout will be pended until applied in Pending Operation List.

Extend/Shrink

Extend/Shrink function is used for adjusting the partition size on your disk with one step. You do not need to consider the partition layout, just adjust the border of the partition to change it to the desired size. It is the same as the Adjust Disk Layout function in the old version.

When the free space on your partition is too small, you will get the low disk space alert on our product.

EaseUS Partition Master will adjust the partition size to solve the low space issue intelligently after clicking the Adjust with 1-Click, and you only need to click the Proceed to continue.  

You can also click the Manual Adjustment to resize it manually if the Smart Space Adjustment cannot meet your needs.

If the disk is almost full, you can only clean up the disk to release space or upgrade it to a large disk.

Extend with 2nd Disk

When the C drive is running out of space, also there is not much free space on the disk where the C drive is resident, this option enables to make extra space by transferring the program files, user files, program data, or other files from a C drive to another drive within the same computer.  It is an alternative to extend the C drive onto a second disk.

1. Please highlight drive C, if the C drive is in low free capacity(marked in red), Extend with 2nd disk option will be shown as below.

This option can also be located by right-clicking the C drive=>Advance=>Extend with 2nd Disk. or clicking on Advanced =>Extend with 2nd Disk.

2. The software will calculate the extendable space automatically. Click Customize Plan to continue.

3. In this step, please tick the files you want to transfer, for example, Program files, User Home, and Program Data. Other folders can be selected, too. Please click the folder icon ->- Add folder. Click Next after selecting all the files.

Note: please ensure you close all the other programs on your computer before you select Move Program Files. 

4. Select the location of the extended partition for the C drive, then click Proceed. Easeus Partition Master will create an extended partition on the location drive based on the configuration you set and move all the selected folders to the extended partition. All the relevant space on the C drive will be freed up afterwards. 

Note: all the folders cannot be transferred back to the C drive once they are moved to the other hard drive using Extend with 2nd Disk in this software. Please double-check every step before you proceed.

Move/Resize

To resize/move a partition:
1. Select a partition, click Move/Resize from the Feature List. 
2. Drag and drop the borders from a partition (either from the left or the right side) to define its size and position. 
3. Click OK when ready. All the introduced changes to the disk layout will be pended until applied in Pending Operation List.

EaseUS Partition Master is able to directly extend a partition using the discontinuous space on the same disk, the imaginary split line on the screenshot is the split line of the different unallocated space.

Partition Master can also get unused space from other partitions on the same disk to extend your selected partition.

If the disk size of your data disk is more than 2TB, but you can only manage 2TB space at most because of the limitation of MBR. EaseUS Partition Master is able to automatically convert the disk from MBR to GPT then you can use more than 2TB space.

Tips:

◆ EaseUS Partition Master automatically considers the limitations of file systems and parameters provided. For example, it won't let you enlarge a FAT16 partition over the maximum 4GB value.
◆ After Moving/Resizing the partition with the restore point, you may lose the restore point created by "System Restore" before.
◆ EaseUS Partition Master is able to resize the BitLocker encrypted partition, only from the right border. You are suggested to completely decrypt the disk before resizing it.

EaseUS Partition Master helps you resize a dynamic volume, including simple volume, mirrored volume, spanned volume, striped volume, and RAID 5 volume. Please note all the dynamic volumes can be resized from the right border only. 

The volumes which have been set in the Quota cannot be shrunk in EaseUS Partition Master. To remove Quota, please right click the volume in Windows Explorer, choose Properties, and set the Quota for this volume here. 

To resize a dynamic volume:
1. Select a volume, click Resize/Move from the Feature List. 
2. Drag and drop the right borders to define the size and position. 
3. Click OK when ready. All the introduced changes to the disk layout will be pended until applied in Pending Operation List.

Tips:
◆​ EaseUS Partition Master is able to resize the volume that was created on the same computer only. 
◆ If you increase the simple volume space to multiple dynamic disks, it will change into a spanned volume.
◆ The spanned volume will change into a simple volume after shrinking it to a single dynamic disk. However, it is not available for a striped volume.
◆​ EaseUS Partition Master only supports resizing the dynamic volume of NTFS, ReFS, and FAT (FAT16/FAT32) file systems. Except for NTFS volumes, all the system dynamic volumes on the other 3 file systems can be extended only with the unallocated space adjacent to the right border of the volume on the same hard disk.

To move a partition or volume:
1. Select a partition/volume, and click Move/Resize from the Feature List. 
2. Drag and drop this partition/volume to define its new position. 
3. Click OK when ready. All the introduced changes to the disk layout will be pended until applied in Pending Operation List.

Merge

The merge feature enables to combining the disk space, which originally belongs to 2 partitions, into a single, larger partition.

Please note that only NTFS, ReFS, FAT12, FAT16, and FAT32 partitions are supported. The order, in which 2 partitions have been chosen is important. You are always suggested to merge the partition with fewer data to the other one to save your time and effort. 

To merge partitions:
1. Select a partition and click Merge from the Feature List.
2. Select a partition to merge. 
3. Select to merge the space to 1 of the 2 specified partitions. All the contents on the other partition will be placed in a folder on the resulted jointed partition. 
4. Click OK when ready. All the introduced changes to the disk layout will be pended until applied in Pending Operation List.

Tips:
◆ EaseUS Partition Master supports merging partitions on basic disk only. It cannot merge dynamic volumes.
◆ You can merge the NTFS partitions of different cluster sizes. 
◆ Only the non-hidden partition can be merged.
◆ The boot partition, system partition as well as the partition where EaseUS Partition Master installed cannot be merged into any other partitions. 
◆ The unused space of the operating partitions should be more than 5% of the total partition space.
◆ After merging a FAT 16 partition and a FAT 32 partition or both of the partitions are FAT16 file system, the file system of the resulted joint partition will be changed into FAT32 automatically.
◆  NTFS partition cannot be merged into FAT partition.

Split Partition

Split Partition feature enables to split a large partition into two partitions. Only NTFS, FAT12, FAT16, and FAT32 partitions are supported. This operation will not affect the data on the original partition, and it will create a new blank partition.

To split a partition:
1. Select a partition and click Split Partition from the Feature List.
2. Resize the size of the two split partitions if you need.
3. Click OK when ready. All the introduced changes to the disk layout will be pended until applied in Pending Operation List.

Tips:
◆ EaseUS Partition Master supports split partition on basic disk only. It cannot split the dynamic volume.
◆ Only the non-hidden partition can be split.
◆ The unused space of the operating partitions should be more than 5% of the total partition space.

Clone

The exact operations of cloning hard disk or partition by EaseUS Partition Master.

Disk clone transfers all data (including the operating system and program) on the selected hard disk to another. To ensure a successful and smooth clone, please confirm that the capacity of the target disk is larger than the used space of the source disk.

Here are the steps of disk clone:

1. Select the Clone feature on the left side.
2. Choose whether you want to Clone Data disk, or Clone OS disk.
3. Choose the source disk and the target disk.
4. Confirm to delete the partitions and data on the target disk.
5. Edit the partition size on the target disk and click OK to initiate the clone.
6. If the data on the destination disk is used by others, Partition Master will start a process of creating a WinPE bootable disk and then restart your computer to continue the disk clone in the WinPE environment. Otherwise, it is able to finish the clone in the Windows environment.

Tips:
◆ In order to make the Windows Operating System bootable on the target disk, please do not directly start the computer from the target disk once the disk copy is finished, make sure that:
   1). Remove the source disk and shut down the computer after the disk copy.
   2). Connect the target disk to the socket of the source disk to boot from it.
◆ All partitions and data on the target disk will be overwritten.

Cloning a single partition/volume to unallocated space is often used when copying a data partition/volume. 

To copy a partition:

1. Select the Clone feature on the left side.
2. Choose Clone Partition.
3. Select a source partition/volume.
4. Select unallocated space as the target partition.
5. Edit the size of the target partition and click OK to clone. 

Tips:
◆ This feature is not available for the partition which contains Operation System on a GPT disk. 
◆ Dynamic volume can only be copied to the unallocated space on a basic disk.

Migrate OS

Migrate OS is an easy-to-navigate wizard to copy your OS to a new HDD or SSD. Boot and System partitions will be automatically selected in this feature to ensure the target disk can be correctly booted after the work. 

To migrate OS:

1. Select the Clone feature on the left side, then choose Migrate OS.
2. Select a target disk.
3. Edit the partition size on the target disk.
4. Click OK to initiate the clone. 
5. If the data on the destination disk is used by others, Partition Master will start a process of creating a WinPE bootable disk then restart your computer to continue the disk clone in the WinPE environment. Otherwise, it is able to finish the clone in the Windows environment.

Tips:
◆ This feature is not available in WinPE Emergency Disk.

Delete All

One easy-click option to delete all the partitions on the selected hard drive. Please make sure you do not have important data on this disk before using this feature.

To delete all partitions:
1. Select a hard drive.
2. Click the Delete All in Feature List. 
3. The operation will be pended until applied in Pending Operation List. Click Execute Operation when you are ready to proceed.

Delete Partition

This feature is used to delete the selected partition. 

To delete a partition:
1. Select a partition. 
2. Click the Delete in Feature List.
3. The operation will be pended until applied in Pending Operation List. Click Execute Operation when you are ready to proceed.

Tips:
◆ System and boot partition cannot be deleted, otherwise, the computer cannot be booted.
◆ After deleting a partition, the data on the deleted partition cannot be accessed!

Wipe Data

Wipe Data can erase all the data on the selected partition/disk/unallocated space. In most cases, the data cleaned with this feature are not able to be retrieved. 

To wipe data:
1. Select a disk/partition (volume)/unallocated space.
2. Right-click it and Select Wipe Data.
3. Set the number of times to wipe the partition in the Wipe Disk/Partition window (The wipe algorithm is to alternately overwrite the disk by 0x00 and random digit according to the wipe times)
4. Click OK when ready. All the introduced changes to the disk layout will be pended until applied in Pending Operation List.

Format

All partitions should contain one or more specific kinds of file systems for storing data. The process of installing a file system is commonly known as formatting. This section explains how to format an existing partition.

The program provides the ability to format partitions into the following file systems:

FAT12
FAT16
FAT32
NTFS
ReFS
EXT2
EXT3

EXT4

To format a partition:
1. Select a partition. 
2. Right-click it and select Format.
3. Type the label you want in the Partition Label text box. 
4. Select the file system type to be created from the Partition Type drop-down list. (FAT/FAT32, NTFS, ReFS and EXT2/EXT3/EXT4)  
5. Choose the Cluster Size (512 byte,1,2,4…64KB) from the drop-down list. 
6. Click OK when ready. All the introduced changes to the disk layout will be pended until applied in Pending Operation List.

Tips:
◆ Smaller cluster size makes less wasting of disk space.          
◆ Partition formatting operation destroys all the data on this partition, including files and folders! Take special care when performing this operation.

Partition Recovery

Partition Recovery is an easy-to-use tool, with which you can recover partitions from a hard drive that were accidentally deleted or damaged due to a hardware or software failure.

To run Partition Recovery
1. Click the Partition Recovery on the left side.
2. Select a disk from which you lose the partition.
3. Click Scan to scan the hard drive.
4. All lost partitions will be listed after the scanning is finished.
5. Select your desired partition and click Proceed to recover.
6. The Recovered partition can be seen on your hard disk after the successful recovery.

Bootable Media

The program includes a user-friendly wizard to guide you through the process of creating a WinPE Bootable Media on a USB drive/CD/DVD or in an ISO file to later burn it to your storage device. The built-in interface provides you the same user experience as in the Windows version to manage your hard drive before an OS is installed.   

With any paid edition, you can create a WinPE bootable disk. Here are the step procedures.
1. Insert a CD/DVD or USB flash drive into your computer first.
2. Click Bootable Media on the left side.
3. Two options are available, to create a bootable media, or to enable Partition Master PreOS. 
4. To create a bootable media, please choose the first option, click Next. Select whether you want to create a bootable CD/USB, then move to the next step to download the Microsoft WinPE component.
5. If it fails to create a bootable disk with the built-in burning components, you can Export ISO file and then burn it with a third-party burning tool, such as Nero.

Here is the main interface in the WinPE bootable disk. 

You are suggested to click the Add Driver to add the proper hardware driver if your RAID drive or hard disk cannot be recognized by WinPE bootable disk. 

Feature comparison in a different environment

The detailed comparison between WinPE bootable disk and Windows environment: 

Convert Operations

This section helps you convert the disk or partition properties with EaseUS Partition Master.

Convert to NTFS

This feature gives you the option to convert a FAT partition to NTFS, which is nowadays the preferred file system for Microsoft’s Windows Operating System, with a great improvement over FAT.  

File system conversion steps:
1. Select a FAT12/16/32 partition
2. Click Advanced > FAT to NTFS 
3. The pop-up dialog box will show the original and target file system, click OK to proceed. 

Tips:
◆ Source file system must be FAT12, FAT16 or FAT32 and the partition is non-hidden. 
◆ Make sure 3% free space at least on the target partition.

Convert to FAT

This feature gives you the option to convert the NTFS partition to FAT32, which is used for any special purpose even if it is not the most popular file system.   

File system conversion steps:
1. Select an NTFS partition
2. Click Advanced > NTFS to FAT 
3. The pop-up dialog box will show the original and target file system, click OK to proceed. 

Tips:
◆ The source file system must be NTFS and the partition is non-hidden. 
◆ Make sure 3% free space at least on the target partition.
◆ The file encrypted in NTFS may not be available in FAT32.
◆ Only primary data stream files will be kept in FAT32.
◆ Symbolic links and Junctions won’t be reserved.
◆ Files in Recycle Bin won't be reserved.
◆ The FAT file system doesn't support files large than 4GB, please remove the large files to another partition before converting it.

Convert Primary to Logical

A basic MBR disk can have either up to four primary partitions, or up to three primary partitions plus an unlimited number of logical partitions. You need to convert a primary partition to logical if you want to create a fifth partition on a disk that currently has four primary partitions.

To convert a primary partition to logical:
1. Right-click the primary partition that you want to convert and then click Primary to Logical.
2. The operation will be pended until executed in Pending Operation List. Click Execute Operation when you are ready to proceed.

Tips:
◆ Converting the boot partition or the system partition to logical partition is not available. Otherwise, the computer may have a bootable issue.
◆ The size of the converted partition might be slightly different from that of the original primary partition, as some space might be required to store supplementary information.

Convert Logical to Primary

To convert a logical partition to primary:
1. Right-click the logical partition that you want to convert to primary and then click Logical to Primary.
2. The operation will be pended until applied in Pending Operation List. Click Execute Operation when you are ready to proceed.

Tips:
◆ A basic MBR disk can only have up to four primary partitions, or up to three primary partitions plus successive logical partitions.   
◆ If the disk contains more than one logical partition, you can convert a logical partition to primary only when there are two or less primary partitions on the disk.

Convert Dynamic Disk to Basic

This feature allows you to convert a dynamic disk containing simple volumes or mirrored volumes into a basic one while keeping its content intact:

1. Click Disk Converter on the left side.

2. Choose the third option Convert Dynamic to Basic, then select the disk you want to convert to continue.

Generally, after converting the dynamic disk, all of the dynamic volumes will be converted to logic partitions except the following situations:

1. If there is not enough space for exchanging temporary data on the volume (less than 5% unused space in the volume and no adjacent unallocated space), this volume will be converted to primary partition. However, the MBR basic disk has the limitation that there can be 4 primary partitions at most, if the number of the volumes on a disk with less than 5% unused space and no adjacent unallocated space is over 4, the conversion operation cannot be implemented.
2. If the file system of the volume is NOT FAT or NTFS, and there is no unallocated space next to the volume, it will be converted to primary partition. If the volumes which fit this situation are more than 4 volumes, the dynamic disk cannot be converted to basic disk.

Tips:

• This feature can only process dynamic disk with simple and mirrored volumes. The other types of dynamic disk like spanned volume, striped volume are not supported.
• To convert a dynamic disk containing mirrored volumes to a basic disk, please break the mirrored volumes before converting.
• It is forbidden to convert a GPT drive if any volume on it is labeled as "Boot" or "System" in Disk Management.
• We recommend you back up the disk before any operation!

Convert MBR to GPT

This feature allows you to convert an MBR disk to GPT disk without data loss. MBR can only use utmost 2TB space on a hard disk. To convert an MBR drive to GPT can easily break this limitation. 

To convert an MBR disk to GPT:

1. Click Disk Converter on the left side.

2. Choose the first option Convert MBR to GPT, then select the disk you want to convert and continue.

Tips:
◆ The feature is not valid for dynamic disk, but you can convert a dynamic disk to basic before converting it to GPT. 
◆ System GPT disk can only be booted from UEFI mode, so please make sure your operating system and motherboard are supported to boot from UEFI mode before converting the disk to GPT.

Convert GPT to MBR

This feature allows you to convert a GPT disk to MBR disk without data loss. 

To convert the GPT disk to MBR:

1. Click Disk Converter on the left side.

2. Choose the second option Convert GPT to MBR, then select the disk you want to convert and continue.

Tips:

◆ The feature is not valid for dynamic disk, but you can convert a dynamic disk to basic before converting it to MBR.
◆ For system disk, please make sure your motherboard is supported to boot from BIOS mode.

Other Operations

There are many other features which are very useful to check the disk or partition status.

Repair RAID 5 Dynamic Volume

When the hard disk of RAID 5 dynamic volume goes wrong or if you want to replace the old hard disk with a larger one, you need to repair the RAID 5 volume.

To repair RAID 5 dynamic volume:
1. Select a RAID 5 dynamic volume
2. Right-click the volume and Select Repair RAID-5 volume.
3. The operation will be pended until applied in Pending Operation List. Click Execute Operation when you are ready to proceed.

Rebuild MBR

Once the MBR (Master Boot Record) of the disk is damaged, the system cannot be booted. This feature will rewrite the Master Boot Record of the selected disk without destroying the disk partition table.

To Rebuild MBR:
1. Select an MBR disk to rebuild MBR
2. Right-click the disk and Select Rebuild MBR.
3. Set up the type of MBR to rebuild in Rebuild MBR window.
4. Click OK. The operation will be pended until applied in Pending Operation List. Click Execute Operation when you are ready to proceed.

Set Active

If you have several primary partitions, you must specify one to be the boot partition. For this, one partition can be set as active. As a rule, a disk can have only one active partition. 

If there are several primary partitions on an MBR system disk, you must specify only one partition as active for system boot, in most cases, the partition should be a system or boot partition. 
 
To set an active partition: 
1. Select a primary partition on MBR disk. 
2. Right-click the selected primary partition and click Set Active.   
3. Click OK. The operation will be pended until applied in Pending Operation List. Click Execute Operation when you are ready to proceed.

Tips:
◆ Before you make a partition active, you must make sure it is formatted and contains an operating system. Otherwise, your PC cannot boot from this partition!  
◆ If you set a partition as active and there is another active partition on the disk, it will be unset automatically. This might also prevent your PC from booting.

Initialize Disk

This feature allows you to initialize a disk into MBR/GPT partition mode: 
1. Select the unused/blank disk.
2. Right-click the disk and select "Initialize to MBR/GPT". 
3. The operation will be pended until applied in Pending Operation List. Click Execute Operation when you are ready to proceed.

Tips:
This feature can process disk without any partitions only. GPT partition mode can be applied to all 64-bit Windows OS. The partition mode of GPT supports disks over 2TB.

Command Line

EaseUS Partition Master works with Windows Command Line. Using the command line gives you the ability to manage your hard drive without launching the program. Additionally, you can use it to add specific operations when creating a batch file. 

How to start
To use our product in the command line, you need to:
1. Run Windows CMD using your Administrator account. 
2. Drag the icon of "epmConsole.exe" from the product installation folder into CMD window or simply locate "epmConsole.exe" in CMD.

Method 1:

Method 2:

How to use
When successfully starting our product in CMD, all the available command and parameters for each command will be listed automatically (or you can input -h to get this guide information at any time). The commands can be written in full mode or abbreviation mode, for example.
In abbreviation mode, the command can be:

Input "epmconsole.exe list -d1" to list the information of Disk 1. And the following command is to create a new logical partition. You need to input "epmconsole.exe" at the front every time when you want to do any operation using the command line. "-d1"=select Disk 1, "-s4008"=create a partition from 4008MB space of the hard disk (you can also omit these arguments, and it will create a partition from the first unallocated space acquiescently), "-z100"=partition size is 100MB, "-fntfs"=file system is NTFS, "-t=logical"=create a logical partition.

In full mode, the command also can be:

The difference between the full mode and abbreviation mode is that you need to input the full name of each command. And also, the "-" should be "--" instead. Besides, there need to be "=" between command and arguments, such as "-d1" should be "—disk=1". 

What's more, here is a command to resize partition: "epmconsole.exe resize --disk=0 --volume=0 --start=0 --size=200". It means that our program will resize the first partition on Disk 0 to 200MB. "--start=0" means our program will not resize the partition from its left. If you set it as "--start=100", our program will shrink the selected partition 100MB from its left. And "--size=200" means the total partition size of the target partition after resizing.

4K Alignment

In order to ensure the best performance of an SSD, EaseUS Partition Master provides the 4K alignment function to align the 4K sectors on your SSD. You can find this option in Toolkit.

Change Label/Drive Letter

To change the partition label:
1. Select a partition, Click Change label in the feature list.
2. Enter a new label in the Partition label window.   
3. Click OK. The operation will be pended until applied in Pending Operation List. Click Execute Operation when you are ready to proceed.

To change the drive letter:
1. Select a disk and a partition. 
2. Click Change drive letter. 
3. Specify the drive letter you want to assign to the partition, in the new drive letter-drop-down list. 
4. Click OK. The operation will be pended until applied in Pending Operation List. Click Execute Operation when you are ready to proceed.

Tips:
◆ The new partition structure will be graphically displayed in the main window of EaseUS Partition Master.  
◆ The Change drive letter function is available only in the Windows environment.

Change Cluster Size

To change Cluster Size:

1. Select a partition, Click Change Cluster Size in the feature list.

2. Enter a new label in the Partition label window.   

3. Click OK. The operation will be pended until applied in Pending Operation List. Click Execute Operation when you are ready to proceed.

Check File System

EaseUS Partition Master enables you to check hard disk partitions for file system errors.
1. Select a partition. 
2. Choose Advanced ->-Check File System. 
3. In the Check File System window, there is an option “Try to fix errors if found”, the found errors will be fixed if you tick the option.  
4. Click Start to check errors on your partition.

Hide Partition

EaseUS Partition Master allows you to hide a partition. It can be useful for protecting important information from unauthorized or casual access.

To hide a partition:  
1. Select a partition.
2. Click Advanced ->-Hide.
3. Click OK. The operation will be pended until applied in Pending Operation List. Click Execute Operation when you are ready to proceed.

Tips:
To unhide a partition, repeat the steps above but click Unhide partition in step 2.

Explore Partition

This feature is used to browse a partition of the FAT/NTFS/ReFS/EXT2/EXT3/EXT4 file system. With this feature, you can check the following information:
◆ Total and free space of the entire partition.
◆ The File directory of all folders and files. There is Created/Modified/Accessed time information for each folder/file. Besides, the size information of a specific file is also available with this feature.

Explore partition as following steps:
1. Choose a FAT/NTFS/EXT2/EXT3/EXT4 partition.
2. Click More > Explore.

Properties

Please find the disk/partition property in the Properties list.

Surface Test

This function is used for checking bad sectors on one disk. EaseUS Partition Master will check every sector and display when it finds a bad sector.

To run Surface Test:

1. Right-click the disk that you want to check, and then click Surface test or select in the main menu Disk > Surface test.

2. The operation will be immediately performed.

BitLocker

EaseUS Partition Master supports the operations for BitLocker partitions, such as to resize, move, copy, and others. The locked status can be seen on your partition if it is locked, clicking the unlock button will ask for a password to unlock it.

In most cases, the partition can be operated normally as long as it is unlocked. However, if the partition is still affected by BitLocker even the partition is unlocked, you need to completely turn off the BitLocker to finish the operation.

After BitLocker is turned off, you can turn on it manually if needed.

Feedback and Technical Support

We invite your comments on how well EaseUS Partition Master performed, and we are also enthusiastic in replying all your questions about using it. Please feel free to contact us at:
[email protected]
We also provide online chat service and the Live Chat option can be located on EaseUS official website www.easeus.com.

To know more about this product, see Basic Technical FAQ For Using Partition Master.