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How to Make or Create New Partition in Windows 7 without Format?


Great improvements in Windows 7 Disk Management

Typically, a new Operating System comes with some more functions than its predecessor. For example, the latest Windows 7 as well as Windows Vista has an immense improvement in Disk Management which allows users to resize partition with "Extend Volume" and "Shrink Volume" features. In the past, if you want to make partition in Windows XP/2003/2000, you have to format hard drive and re-install Windows. However, nowadays people are able to create partition in Windows 7 without formatting and re-installing.

How to make partition in Windows 7 without format?

In this article, I will introduce two methods to create a new partition in Windows 7. Because according to some users' feedback, they cannot complete the operations with built-in Disk Management for some reasons.

Method1: Create partition in Windows 7 with snap-in Disk Management

The following directions only applies to Windows 7/Vista/Windows 2008 under certain condition, content in this method may not be relevant to you. Please refer to "Method2" which can meet the need of yours.

First of all, open Windows 7 Disk Management from the Computer Management utility. In order to create partition, there must be some unallocated space. Right click on C drive and select "Shrink Volume", in the pop-up window click "Shrink" button.

Disk Management Shrink Volume

Then, right click on the unallocated space and select "New Simple Volume", following the wizard and create a new partition (if you shrink a logical drive, such as D partition, it will be shown as "Free space" but not "Unallocated").

Create Partition Windows 7

As mentioned above, the directions may not apply your computer.

Some users who have a new computer that shipped from the Original Equipment Manufacturer (OEM) and pre-installed with 3 primary partitions & 1 extended partition on the disk. As is known to us all basic disk is limited to 4 primary partitions or 3 primary partitions and 1 extended partition which can contain multiple logical drives. When trying to shrink system partition and create partition in Windows 7, they will get error message: "you cannot create a new volume in this unallocated space because the disk already contains maximum number of partitions" as below:

Cannot Create Partition Windows 7

In such case, you can use Windows 7 partition manager to create partition without formatting or error message.

Method2: Create partition in Windows 7 with Partition Assistant Pro (Recommended)

As latest Partition Magic Windows 7, Partition Assistant Pro can enable you to create partition in Windows 7 without formatting and perform other advanced features without losing data.


Step1: Launch Partition Assistant Pro. Right click C drive and select "Resize".
partition magic windows 7

In the pop-up window, drag the right handle leftwards to shrink C drive. Then, click "OK".

Shrink C Drive

Step2: After that, there will be some unallocated space. Right click unallocated space and select "Create".

Create Option

In the pop-up window, you can resize new partition, label new partition, choose dive letter and file system.

Make Partition Windows 7

Step3: Click "Apply" to apply the operations to physical disk.

Click Apply

With the extremely user-friendly interface and innovative technology, you can safely create partition in Windows 7 without the need to be an IT genius.

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