Windows Disk Partition Tool Introduction, Disk Management and PA - AOMEI

June 28, 2016

This article will give a Windows disk partition tool introduction to you, so that you can manage your disk better without the limitation of Windows Disk Management.

Windows operating systems have already built-in a Windows disk partition tool called "Disk Management". With the help of Disk Management, you can extend and reduce the disk, create and delete partitions, change the drive letter, format partition, convert between basic disk and dynamic disk, MBR disk to GPT disk, etc.

Access to Disk Management in Windows: Start-Type “diskmgmt.msc”-press enter; OR: Start-Control Panel-System and Security-Administrative Tools-Computer Management-Disk Management ; OR: Computer (Right Click)-Manage-Storage-Disk Management .

Although Windows Disk Management has been improved much compared with the previous version built in Windows XP, it still has many limitations. Other than the basic functions provided before, Windows 7 Disk Management can resize partition, but if you are to ask more functions in it, its not a good one to go after.

When we run diskmgmt.msc, we actually want to add unallocated space into target partition, but the Extend Volume option is grayed out when we right click the partition. Why is extend volume option grayed out? You can see that there is another partition between the target partition (Eg, C drive) and unallocated space. Disk Management requires the unallocated space must go right after the partition you want to extend. 

2. Gray out on Shrink Volume

Sometimes, you need shrink your partition to get more unallocated space to do other things. However, when you right click the partition you want to shrink, you find that the Shrink Volume is grayed out. Why? If there is any disk fragmentation at the end of the partition, you can not shrink the partition with Disk Management. 

If you want to create partition on the hard drive, you must create with an unallocated space. If there is no unallocated space, and you really need one more partition, you can delete or shrink an existing partition to get unallocated space. There is one more thing you need know: the MBR disk supports up to four primary partitions while GPT disk allows more primary partition. If there are already four primary partitions on your MBR disk, and you need more partition, change one primary partition into extend partition to get more partitions.

Besides, there are many other limitations of Disk Management such as you can only convert an empty GPT disk to MBR disk, you can only format partition into NTFS, etc. Fortunately, there is another more powerful Windows disk partition tool, AOMEI Partition Assistant, which can make up all the shortage of Windows Disk Management.

AOMEI Partition Assistant is a great powerful disk partition tool which can break out all the limitations that Disk Management has. It has many great features so that you can create partition, resize partition more flexible. You can use it to delete partition, move partition, format partition,split partition, merge partitions, and you can use it to convert disk between basic disk and dynamic disk, MBR disk and GPT disk more flexible. Besides, it has many other utilities for you to manage your hard drive better. What's the most important is that Windows PC users can use it free including Windows XP/Vista/7/8/10.

Disk Partition Tool

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