Disk Management Utility is a built-in tool in Windows that can be used to manage storage devices and partitions. With Disk Management Utility, you can create, format, delete, resize, convert, and merge partitions. You can also assign drive letters or mount points to partitions. Disk Management Utility is a powerful tool that can be used to perform various storage management tasks. However, it is important to note that Disk Management Utility should be used with caution as it can potentially damage your data if used incorrectly. 

How to Create Partition and Format a Hard disk in Windows:

If you're running Windows on your computer, you can create partitions and format hard disks using the built-in Disk Management utility. Here's how:

1. Open Disk Management by pressing the Windows Key + R, then typing diskmgmt.msc into the Run dialog and press Enter.

2. Right-click on the hard disk that you want to partition and select "New Partition."

3. Follow the prompts to create a new primary or extended partition on the hard disk. You can also create a logical drive within an extended partition.

4. Once the partition has been created, right-click on it and select "Format."

5. Follow the prompts to format the partition. You can choose from a variety of file system options, including NTFS, FAT32, and exFAT. Choose the option that best suits your needs.

6. Once the partition has been formatted, it will be usable by Windows. You can create additional partitions and format them as needed.