There are tons of third-party partition managers for Windows, but did you know that Windows includes its own partition manager? Microsoft did a good job of hiding the built-in partition manager, but it’s there. You can use the Disk Management tool to resize, create, delete and format partitions and change their drive letters — all without downloading or paying for any other software. Accessing Disk Management The quickest way to launch the Disk Management tool is by typing “Partition” into the search box in the Control Panel or Start menu. Just click the “Create and Format Hard Disk Partitions” option that comes up. You’ll see a window divided into two panes. The top pane shows you a list of your partitions, referred to as volumes, and the bottom one shows you a graphical representation of your storage devices. Resizing a Partition Right-click a partition in either pane and select Extend Volume or Shrink Volume to resize it. Other options for manipulating partitio...