• AOMEI Backupper

    Standalone Windows backup

    For Home
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    Learn the differences and choose the right edition that's best fit for you. Edition Comparison >>

    AOMEI Backupper Mac

    Mac file sync and backup

    AOMEI Cyber BackupCentralized

    Multi-platform data protection

    AOMEI FoneBackup

    Phone backup and transfer

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  • AOMEI Partition Assistant

    Free partition manager, disk converter, and PC optimizer

    AOMEI Cloner

    Professional SSD and HDD cloning software for Windows

    AOMEI FastRecovery

    Free data recovery software to get deleted or lost files back

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Knowledge Base of Windows Hard Disk Management

Clear, practical instructions for disk partitioning, cloning, data rescue, and erasing.

  • Can not Merge Partitions

    Cannot merge partitions? Here to learn how to merge partitions with AOMEI Partition Assistant.

  • Cannot Convert Partition Between Primary and Logical

    Solutions to the problem that a partition cannot be converted to primary/logical.

  • Does Windows-To-Go USB Wipe a Disk Clean

    Create Windows To Go USB fast and easily with the powerful partition manager AOMEI Partition Assistant.

  • The Partition was not resized/shrunk/extended after rebooting

    Using Partition Assistant to create a bootable media to change partition status under WinPE environment.

  • How to get upgrades of AOMEI products?

    Step-by-step guide for how to upgrade of AOMEI products.

  • Error Code 6

    How to solve the Error Code 6: The partition table on the disk was updated fail as other programs locked the partition table.

  • Error Code 37/1031

    How to solve the Error Code 37/1031: Failed to update BCD file. Please use Windows Installation CD to amend it.

  • Error Code 45

    How to solve the Error Code 45: Failed to initialize this disk.

  • Always returning to PreOS Mode after reboot

    What should you do if it always returning to PreOS Mode after reboot?

  • Error Code 36

    How to solve the Error Code 36: Failed to extend partition by using Windows Control Code.

  • There is not enough disk space when converting to GPT disk......

    How to correctly convert to GPT disk without enough disk space? Here you can find the answer.

  • After the operation is completed, some partitions are “missing”

    What can you do if some partitions are missing after the opertaion is completed?

  • The operation is stuck, can it be canceled?

    How to keep data safe when operations like moving partition or resizing partition stuck in the middle?

  • How to Merge C Drive That Is Less Than 2GB with Unallocated Space?

    Step-by-step guide for merging C drive that free space is less than 2 GB with unallocated space.

  • Failed to start AOMEI Partition Assistant due to load driver failed

    Here we will show you how to slove the poblem "failed to start AOMEI Partition Assistant due to load driver failed".

  • Failed to start AOMEI Partition Assistant due to no disks found

    How to solve the problem "failed to start AOMEI Partition Assistant due to no disks found"?

  • Extend Partition Wizard does not support to extend partition on a GPT Disk

    Extend Partition Wizard does not support to extend partition on a GPT Disk. What should you do?

  • Error Code: 220

    Error Code 220: The feature on the NTFS cannot be supported by the program yet.

  • How to extend C:drive on a dynamic disk

    How to use Dynamic Disk Manager of AOMEI Partition Assistant to extend or shrink dynamic volume easily?

  • Error Code 2

    How to slove the Error Code 2: Failed to assign a drive letter?

  • Error Code: 12

    What should you do when running computer in AOMEI Partition Assistant PreOS mode?

  • Error Code 1030

    Step-by-step guide to solve the Error Code 1030: The program detected the Paging File (pagefile.sys) is on your target partition.

  • Should I Defragment or Check and Fix Partition before Extending Partition

    Here you can know what defragment disk is and how to defrag disk with AOMEI Partition Assistant.

  • AOMEI Dynamic Disk Manager have detected system configuration has changed

    AOMEI Dynamic Disk Manager have detected system configuration has changed. Here is the solutions.

  • Some volumes will be lost after converting dynamic disk to basic

    Solutions for how to avoid volumes lost after converting dynamic disk to basic.

  • Cannot Uninstall Partition Assistant Completely

    Solution for cannot reinstall AOMEI Partition Assistant.

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