How to Repartition Hard Drive without Formatting in Windows 10?

About Hard Drive Storage

It is the storage device of hard drive that keeps data and files in the computer. Thus, by creating drive, we can make full use of the disk within the computer. Two or more volumes in their own hard disk are the best choices for most users to store a lot of classified data in case of data loss. When an operating system crashed, it is available to configure a new system to recover the previous one and the data on other drives will not be impacted. But, if your computer was attacked by virus and it is unavailable to access the data of operating system disk on Windows, it is necessary to recover the data and files.

Repartition a Hard Drive in Disk Management

Disk Management is the snap-in program of Windows which allows you to format/delete/resize partitions on hard disk. Also, you can repartition a partition like easily extend partition size with its help as long as there is unallocated space adjacent. If there is no unallocated space, which is typically the case, you can delete the volume next to the one you want to extend first, and then start extending. However, what you did will cause data loss. If you want to create a new simple volume, formatting is unavoidable. As a result, you can turn to powerful free partition tool to repartition a hard drive without formatting and losing data. 

Best Partition Tool to Repartition Hard Disk

Once, a customer had asked "I deployed a system of Vista and I put it on drive C. I want to install another fresh system of Win 7 on the drive, but there is no extra volume on the disk. What can I do? Due to there is no unallocated space on the disk, I don't know how to create partition." Fortunately, we can ask the third party tool for help to reallocate the hard drive. Aomei Partition Assistant, the professional Windows partition manager, provides the feature of repartitioning a hard drive into the sizes we want based on all data protected on desktops and laptops such as HP or ASUS.

How to Repartition a Hard Drive in Windows 10 via Professional Software

Aomei Partition Assistant Pro Edition provides the function to resize, create, delete and format drive, copy disk or volume and so on. Meanwhile, it can support all hardware RAID including RAID 0/1/5/10 and Windows 7/8/10/2000/XP/Vista OS (both 32 bit and 64 bit). When you do these operations, all of your data on the disk will be guaranteed safety. Moreover, it is so easy to operate that you can manage your disk easily no matter you are a novice or IT expert.

Here are the steps for you to resize drives (shrink system volume and create another without losing data):

Step 1: Free download Aomei Partition Assistant and open it. You will get the main interface:

PA main interface.gif

Step 2: Right click on the volume C or the drive you want to reallocate. Then, select "Resize Partition".

Resize Partition.gif

Step 3: Drag drive C from right to left in order to release some free space. After that, please select "OK".

Move and Resize Partition.gif

Step 4: Right click the unallocated space and select "Create partition". Fill in the detail of the new volume you want to build, then, click "OK".

Create Partition.gif

Step 5: Do not forget to select "Apply" on the toolbar to make sure these operations come into an effect.


Tips: With this Professional edition, you can allocate free space from one volume to the other directly. What’s more, if you can create a partition from C drive in Windows 7 or 10 without resize.

If you want to manage hard disk and reallocate a hard drive for your Windows Server 2000/2003/2008, you can use Aomei Partition Assistant Server Edition, a server partition magic. It is also a best choice to choose Aomei Partition Assistant Pro Edition for personal user or business PC owner work on Windows 7/2000/XP/Vista. If you want to know more, please click the link to download partition manager.