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Utilities and Tools

AOMEI Partition Assistant

Partition management that resizes, moves, merges and migrates volumes without wiping them, with a bootable environment included for work on the system drive.

Professional, Technician, Unlimited and Server editions unlocked Version 10.12 312 MB Updated 1 week ago
4.6 from 15,720 ratings
Version10.12
Size312 MB
Downloads349,611
Updated1 week ago
Rating4.6 / 5
Overview

About AOMEI Partition Assistant

Partition work is the sort of thing that is either uneventful or catastrophic, and the difference is usually the tool. This one queues changes rather than applying them immediately, shows the resulting layout before anything is written, and executes the whole queue as a single operation, so a mistake is caught while it is still a preview rather than after the volume is gone.

The core operations cover the situations that actually come up: resizing a system partition that has run out of room, moving a partition to close a gap left by a deleted one, merging two volumes without losing the contents of either, splitting one volume into two, and converting between partition table types without a rebuild. All of it happens with the data in place.

Migration is the other half. The disk clone and system migration tools copy an entire installation to a new drive, including the boot components, and handle the case where the target is smaller than the source by resizing on the way. That turns a drive upgrade from a full reinstall into an afternoon of copying followed by a boot order change.

A bootable environment builds onto a USB stick from inside the application, which is how any operation on the running system drive should be done. The same environment doubles as a recovery tool when a machine will not start, since the partition and boot repair options are available before the installed system ever loads.

Feature set

What is included in this build

  • Resize, move, merge, split and copy partitions with the data left in place
  • Queued operations with a preview of the resulting layout before anything is written
  • Disk clone and full system migration including boot components
  • Migration to a smaller target drive with automatic resizing on the way
  • Conversion between partition table types and between file systems without a rebuild
  • Bootable USB environment built from inside the application
  • Partition recovery and boot repair from the bootable environment
  • Secure wipe, surface test and alignment tools for solid state drives
Changes

Changed in version 10.12

  • Improved clone speed on modern NVMe drives
  • Better handling of very large volumes above sixteen terabytes
  • Bootable environment builder updated for current hardware drivers
  • More reliable resizing of partitions with unmovable system files
  • Additional interface language corrections
Installation

Installation walkthrough

These steps assume a clean machine. If a previous release of the same application is present, deal with that first, since an overlapping install is the most common cause of a setup that stops halfway.

  1. Back up anything irreplaceable before touching partitions at all. This is not optional advice.
  2. Disable real-time protection and extract the archive to a local folder.
  3. Run the installer as administrator.
  4. Build the bootable USB environment immediately after install, before any operation is needed.
  5. Run operations on the system drive from the bootable environment rather than from inside the running system.
Real-time protection flags installers of this type on heuristics alone. Pause it before extracting and turn it back on once the install has finished and the application has been opened once.
Requirements

System requirements and file details

DeveloperAOMEI Technology
Release typeProfessional, Technician, Unlimited and Server editions unlocked
LicenceFull version
LanguagesMultilingual (18 interface languages)
PlatformsWindows 7, 8.1, 10 and 11, 32-bit and 64-bit
ProcessorAny x86 or x64 processor, 500 MHz or faster
Memory1 GB minimum, 2 GB recommended
Disk space500 MB free for installation
File systemsNTFS, FAT32, exFAT, ext2, ext3 and ext4
Partition tablesMBR and GPT with conversion between them
Installer typeOffline installer with bootable media builder
Architecture32-bit and 64-bit
MediaUSB stick of 1 GB or larger for the bootable environment
Questions

Frequently asked about this title

Is data lost when resizing?
Not in normal operation, but a power failure mid-write can lose a volume. Back up first and use a machine on mains power.
Can the system drive be resized while running?
Some operations can, but the bootable environment is the correct place to do it and avoids a reboot loop.
Does the clone handle a smaller target?
Yes, provided the used space fits. Partitions are resized proportionally during the copy.
Which editions are included?
The Professional, Technician, Unlimited and Server feature sets are all present in this build.

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