By Cherry / Last Updated May 15, 2020

Partition computer hard drive

Most of computer may only have one partition at the original time, or it may not be partitioned in reasonable. If so, you may want to extend partition, shrink partition, move partition, split partition, create partition, merge partitions for the hard drive. Well, there is a question: how to partition computer hard drive without formatting the hard drive?

How to partition computer hard drive with Windows Disk Management?

Well, the Windows built-in tool Disk Management enables you to extend partition, shrink partition, delete partition, create partition, format partition and so on. However, it has a lot of limitations. If you want to extend volume of one partition, there must be an unallocated space behind the partition you wan to extend. If the unallocated space is not adjacent to the partition you want to extend, or it is before the partition, the Extend Volume would be greyed out so that you cannot use it to extend partition.

Extend Volume

Besides, you may meet another troubles, such as Shrink Volume greyed out, no move partition feature, New Simple Volume greyed out, etc. Fortunately, there is a great third-party software AOMEI Partition Assistant, which is free, and can help you partition computer hard drive or re-partition hard drive disk more flexible.

Using AOMEI Partition Assistant to partition computer hard drive

The free partition manager AOMEI Partition Assistant Standard can help you partition computer hard drive in Windows 10/8/7 without formatting. With this free partition manager, you can resize partition, create partition, split partition, move partition, merge partitions more flexible, and you can do many much more for your hard drive. Download it free, install and launch it, you can use it to partition your hard drive.

Partition Assistant

AOMEI Partition Assistant can help you re-partition your hard drive:

If you need more partition to store different data, you can use Split Partition to divide the partition into several partitions. Right click the partition, then, select Split Partition and follow the steps to do.

AOMEI Partition Assistant can help you extend partition more flexible:

If you need to extend one partition on your hard drive, and the unallocated space isn’t near to the hard drive, AOMEI Partition Assistant can help you a lot.

You can use Move Partition to move the unallocated space to the partition, then, use resize partition to extend partition with unallocated space.

Or you can use Merge Partition utility to merge the partition and the unallocated space together to extend the partition with the unallcoated space directly.

More features of AOMEI Partition Assistant:

AOMEI Partition Assistant is a great partition manager that can totally replace Windows Disk Management. Besides the utilities we have mentioned, it still supports you to do much more to partition computer hard drive in a better status. Such as wipe hard drive, check partition, change drive letter, change label, etc. If you need more utilities such as allocated free space from one partition to another, convert system disk between MBR and GPT styles, and so on, you can upgrade to Professional edition to gain them all.