For example, one partition might be too small to hold all your data. However, when you partition a hard disk, there might be chances that you are not satisfied with the partition size or number the first time you try. If your hard drive has very large capacity, and you can create more than one partitions on it, so that you can separate Windows, installed application and individual data by storing files on different partitions. A hard drive can be divided into multiple partitions which can be used to store a variety of files such as operating system and personal data. Besides, you can also split a partition into two partitions or add free disk space to any existing partition.Ī partition, also called drive or volume, is a part of continuous logical space on hard disk. You can either increase a partition's size or shrink it based on your needs. Resizing a partition is the process of changing partition's size via extending or shrinking it.