Overall Partition Software for Windows: AOMEI Partition Assistant

For basic partition operations, like shrinking partition, creating partition, and extending partition with contiguous unallocated space, Windows native tools (Disk Management and Diskpart utility) are likely to be sufficient.

If you have advanced requirements, such as increasing partition capacity without non-adjacent unallocated space, you can resort to an overall and outstanding free partition manger.

Why choose AOMEI Partition Assistant?

AOMEI Partition Assistant Standard will be the first partition tool for Windows 10, 8.1, 8 or 7 that I’ll recommend to you. It is definitely an all-inclusive and powerful utility for managing partitions and disks on Windows platform. Now, let’s take a glance at its main functions.

  • Adjust partition size and position via “Move Partition”, “Resize Partition” or “Merge Partitions”.
  • Change partition file system via “Format Partition” or “NTFS to FAT32 Converter”.
  • Change disk partition style without losing data for non-system disk via “Convert to GPT Disk“ or “Convert to MBR Disk”.
  • Transfer all content from one drive to another quickly and safely via “Disk Clone Wizard”.
  • Create bootable USB, CD or DVD to boot unbootable PC via “Make Bootable Media”.
  • Fix boot failure caused by damaged MRB via “Rebuild MBR” function.

The various and useful features of AOMEI Partition Assistant Standard enable you to control Windows partitions and disks flexibly and comprehensively. At the same time, it is designed to be intuitive and concise. Thus you can use it effortlessly. And the partition manger is completely free for personal use.

If you are business users, you can try higher editions of AOMEI Partition Assistant, including Professional, Server, etc., Apart from all features of Standard version the advanced versions can complete more operations, covering moving applications from one partition to another partition/one disk to another disk, recovering lost partition on hard drive, SD card, USB flash drive, filling random data with hard drive, securely erase solid-state-drive and so on.

How to use the partition software – AOMEI Partition Assistant?

To have a better understanding of the partition software, AOMEI Partition Assistant Standard, you can check out those three examples respectively about how to enlarge Windows partition size without damaging data, changing partition file system from NTFS to FAT32 without formatting and change partition style from MBR to GPT without deleting partitions.

PS.: Before executing those operations, please go to the official site of AOMEI Partition Assistant Standard to download it; then install and run it on your computer.

1. How to extend Windows partition with non-adjacent unallocated space

On the home interface of the partition manger, you can see all disks and partitions on your PC. Locate the partition that doesn’t have enough space (here is partition C), right click it and choose “Merge Partitions”.


Then, you can see a pop-up window. Tick the box before “Unallocated” and click “OK”.


Finally, you’ll return to the home interface of the partition manger. You can preview that the non-contiguous unallocated space will be merged into C drive and the space of C drive will extend. Click “Apply” and “Proceed” to commit the operation.


Tip: The destination partition should have at least 1GB free space before merging. If not, you can remove unnecessary files on it to free up space.

2. How to convert partition to FAT32 without formatting

On the main interface, click “All Tools” and choose “NTFS to FAT32 Converter”.


Choose NTFS to FAT32 and click the “Next” button.


On the list of partition, find out the one that you want to convert it to FAT32, choose it and click “Next”.


Now, confirm the operation and click “Proceed” to start NTFS to FAT32 conversion.



• This conversion won’t cause data loss.
• It’s not allowed to convert system or boot partition to FAT32.

3. How to convert disk to GPT without deleting existing partitions

Firstly, right click the disk that is going to converted to disk, choose “Convert to GTP Disk”.


Next, click the “OK” button to confirm that you’ll convert the selected disk to GPT.


Last, on the home interface, click “Apply” and “Proceed” to execute the operation.


Note: Please ensure that the laptop has sufficient power supply before you convert disk from MRB to GPT.