If you would like to apply Disk Management to separate a large partition, you need to first shrink a partition to get an unallocated space and then create a new partition on it. Split NTFS partition via Windows 10/11 Disk Management Next, we will show how to split partition via those two methods. In either way, you don’t need to format any partitions. In general, in order to split one disk partition into two partitions, you can make use of Disk Management (Windows built-in tool) and AOMEI Partition Assistant Professional (3rd party software). 2 Method to split partition without formatting in Windows 10/11 On the whole, splitting hard disk partition can make the partition number and size more reasonable. Then when the system crashes and you plan to format the system partition for OS reinstallation, the personal data can be safe.īesides, when one of your hard disk partitions is too big but just used a little, splitting it into two smaller ones enables you to store various data and make the fullest use of the disk space. So dividing it into two partitions can help separate OS from personal files. For example, when there is only one partition (system C partition) on a new PC, the OS, applications, personal files, etc will be saved to this system drive, which undoubtedly will affect the OS loading and running performance. Splitting partition is to divide a large partition into two smaller partitions. Why need to split partition in Windows 10 or 11?

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